809650400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:773

約数の個数: 144

約数和(自身を含む): 2148862464

約数和(自身を除く): 1339212064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 127, 130, 160, 200, 208, 254, 260, 325, 400, 416, 508, 520, 613, 635, 650, 800, 1016, 1040, 1226, 1270, 1300, 1651, 2032, 2080, 2452, 2540, 2600, 3065, 3175, 3302, 4064, 4904, 5080, 5200, 6130, 6350, 6604, 7969, 8255, 9808, 10160, 10400, 12260, 12700, 13208, 15325, 15938, 16510, 19616, 20320, 24520, 25400, 26416, 30650, 31876, 33020, 39845, 41275, 49040, 50800, 52832, 61300, 63752, 66040, 77851, 79690, 82550, 98080, 101600, 122600, 127504, 132080, 155702, 159380, 165100, 199225, 245200, 255008, 264160, 311404, 318760, 330200, 389255, 398450, 490400, 622808, 637520, 660400, 778510, 796900, 1012063, 1245616, 1275040, 1320800, 1557020, 1593800, 1946275, 2024126, 2491232, 3114040, 3187600, 3892550, 4048252, 5060315, 6228080, 6375200, 7785100, 8096504, 10120630, 12456160, 15570200, 16193008, 20241260, 25301575, 31140400, 32386016, 40482520, 50603150, 62280800, 80965040, 101206300, 161930080, 202412600, 404825200, 809650400]

約数ペア:

[(1, 809650400), (2, 404825200), (4, 202412600), (5, 161930080), (8, 101206300), (10, 80965040), (13, 62280800), (16, 50603150), (20, 40482520), (25, 32386016), (26, 31140400), (32, 25301575), (40, 20241260), (50, 16193008), (52, 15570200), (65, 12456160), (80, 10120630), (100, 8096504), (104, 7785100), (127, 6375200), (130, 6228080), (160, 5060315), (200, 4048252), (208, 3892550), (254, 3187600), (260, 3114040), (325, 2491232), (400, 2024126), (416, 1946275), (508, 1593800), (520, 1557020), (613, 1320800), (635, 1275040), (650, 1245616), (800, 1012063), (1016, 796900), (1040, 778510), (1226, 660400), (1270, 637520), (1300, 622808), (1651, 490400), (2032, 398450), (2080, 389255), (2452, 330200), (2540, 318760), (2600, 311404), (3065, 264160), (3175, 255008), (3302, 245200), (4064, 199225), (4904, 165100), (5080, 159380), (5200, 155702), (6130, 132080), (6350, 127504), (6604, 122600), (7969, 101600), (8255, 98080), (9808, 82550), (10160, 79690), (10400, 77851), (12260, 66040), (12700, 63752), (13208, 61300), (15325, 52832), (15938, 50800), (16510, 49040), (19616, 41275), (20320, 39845), (24520, 33020), (25400, 31876), (26416, 30650)]