63617420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{631}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 135719472

約数和(自身を除く): 72102052

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 631, 710, 1262, 1420, 2524, 3155, 5041, 6310, 10082, 12620, 20164, 25205, 44801, 50410, 89602, 100820, 179204, 224005, 448010, 896020, 3180871, 6361742, 12723484, 15904355, 31808710, 63617420]

約数ペア:

[(1, 63617420), (2, 31808710), (4, 15904355), (5, 12723484), (10, 6361742), (20, 3180871), (71, 896020), (142, 448010), (284, 224005), (355, 179204), (631, 100820), (710, 89602), (1262, 50410), (1420, 44801), (2524, 25205), (3155, 20164), (5041, 12620), (6310, 10082)]