64415360

素因数分解:

$2^7\times 5^1\times {\mathrm{100649}}^1$

素因数の和:100668

約数の個数: 32

約数和(自身を含む): 153994500

約数和(自身を除く): 89579140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 100649, 201298, 402596, 503245, 805192, 1006490, 1610384, 2012980, 3220768, 4025960, 6441536, 8051920, 12883072, 16103840, 32207680, 64415360]

約数ペア:

[(1, 64415360), (2, 32207680), (4, 16103840), (5, 12883072), (8, 8051920), (10, 6441536), (16, 4025960), (20, 3220768), (32, 2012980), (40, 1610384), (64, 1006490), (80, 805192), (128, 503245), (160, 402596), (320, 201298), (640, 100649)]