38457640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5689}}^1$

素因数の和:5726

約数の個数: 48

約数和(自身を含む): 93714300

約数和(自身を除く): 55256660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 5689, 6760, 11378, 22756, 28445, 45512, 56890, 73957, 113780, 147914, 227560, 295828, 369785, 591656, 739570, 961441, 1479140, 1922882, 2958280, 3845764, 4807205, 7691528, 9614410, 19228820, 38457640]

約数ペア:

[(1, 38457640), (2, 19228820), (4, 9614410), (5, 7691528), (8, 4807205), (10, 3845764), (13, 2958280), (20, 1922882), (26, 1479140), (40, 961441), (52, 739570), (65, 591656), (104, 369785), (130, 295828), (169, 227560), (260, 147914), (338, 113780), (520, 73957), (676, 56890), (845, 45512), (1352, 28445), (1690, 22756), (3380, 11378), (5689, 6760)]