160993640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65981}}^1$

素因数の和:66053

約数の個数: 32

約数和(自身を含む): 368179560

約数和(自身を除く): 207185920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 65981, 131962, 263924, 329905, 527848, 659810, 1319620, 2639240, 4024841, 8049682, 16099364, 20124205, 32198728, 40248410, 80496820, 160993640]

約数ペア:

[(1, 160993640), (2, 80496820), (4, 40248410), (5, 32198728), (8, 20124205), (10, 16099364), (20, 8049682), (40, 4024841), (61, 2639240), (122, 1319620), (244, 659810), (305, 527848), (488, 329905), (610, 263924), (1220, 131962), (2440, 65981)]