31876000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 84481488

約数和(自身を除く): 52605488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 400, 416, 500, 520, 613, 650, 800, 1000, 1040, 1226, 1300, 1625, 2000, 2080, 2452, 2600, 3065, 3250, 4000, 4904, 5200, 6130, 6500, 7969, 9808, 10400, 12260, 13000, 15325, 15938, 19616, 24520, 26000, 30650, 31876, 39845, 49040, 52000, 61300, 63752, 76625, 79690, 98080, 122600, 127504, 153250, 159380, 199225, 245200, 255008, 306500, 318760, 398450, 490400, 613000, 637520, 796900, 996125, 1226000, 1275040, 1593800, 1992250, 2452000, 3187600, 3984500, 6375200, 7969000, 15938000, 31876000]

約数ペア:

[(1, 31876000), (2, 15938000), (4, 7969000), (5, 6375200), (8, 3984500), (10, 3187600), (13, 2452000), (16, 1992250), (20, 1593800), (25, 1275040), (26, 1226000), (32, 996125), (40, 796900), (50, 637520), (52, 613000), (65, 490400), (80, 398450), (100, 318760), (104, 306500), (125, 255008), (130, 245200), (160, 199225), (200, 159380), (208, 153250), (250, 127504), (260, 122600), (325, 98080), (400, 79690), (416, 76625), (500, 63752), (520, 61300), (613, 52000), (650, 49040), (800, 39845), (1000, 31876), (1040, 30650), (1226, 26000), (1300, 24520), (1625, 19616), (2000, 15938), (2080, 15325), (2452, 13000), (2600, 12260), (3065, 10400), (3250, 9808), (4000, 7969), (4904, 6500), (5200, 6130)]