25939840

素因数分解:

$2^7\times 5^1\times {\mathrm{40531}}^1$

素因数の和:40550

約数の個数: 32

約数和(自身を含む): 62013960

約数和(自身を除く): 36074120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40531, 81062, 162124, 202655, 324248, 405310, 648496, 810620, 1296992, 1621240, 2593984, 3242480, 5187968, 6484960, 12969920, 25939840]

約数ペア:

[(1, 25939840), (2, 12969920), (4, 6484960), (5, 5187968), (8, 3242480), (10, 2593984), (16, 1621240), (20, 1296992), (32, 810620), (40, 648496), (64, 405310), (80, 324248), (128, 202655), (160, 162124), (320, 81062), (640, 40531)]