15938000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 80

約数和(自身を含む): 41570256

約数和(自身を除く): 25632256

約数列:

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

約数ペア:

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