64695980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87427}}^1$

素因数の和:87473

約数の個数: 24

約数和(自身を含む): 139535088

約数和(自身を除く): 74839108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 87427, 174854, 349708, 437135, 874270, 1748540, 3234799, 6469598, 12939196, 16173995, 32347990, 64695980]

約数ペア:

[(1, 64695980), (2, 32347990), (4, 16173995), (5, 12939196), (10, 6469598), (20, 3234799), (37, 1748540), (74, 874270), (148, 437135), (185, 349708), (370, 174854), (740, 87427)]