320148040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347987}}^1$

素因数の和:348021

約数の個数: 32

約数和(自身を含む): 751654080

約数和(自身を除く): 431506040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 347987, 695974, 1391948, 1739935, 2783896, 3479870, 6959740, 8003701, 13919480, 16007402, 32014804, 40018505, 64029608, 80037010, 160074020, 320148040]

約数ペア:

[(1, 320148040), (2, 160074020), (4, 80037010), (5, 64029608), (8, 40018505), (10, 32014804), (20, 16007402), (23, 13919480), (40, 8003701), (46, 6959740), (92, 3479870), (115, 2783896), (184, 1739935), (230, 1391948), (460, 695974), (920, 347987)]