64786420

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{4621}}^1$

素因数の和:5331

約数の個数: 24

約数和(自身を含む): 136275048

約数和(自身を除く): 71488628

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 4621, 7010, 9242, 14020, 18484, 23105, 46210, 92420, 3239321, 6478642, 12957284, 16196605, 32393210, 64786420]

約数ペア:

[(1, 64786420), (2, 32393210), (4, 16196605), (5, 12957284), (10, 6478642), (20, 3239321), (701, 92420), (1402, 46210), (2804, 23105), (3505, 18484), (4621, 14020), (7010, 9242)]