65214320

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5471}}^1$

素因数の和:5633

約数の個数: 40

約数和(自身を含む): 152668800

約数和(自身を除く): 87454480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5471, 5960, 10942, 11920, 21884, 27355, 43768, 54710, 87536, 109420, 218840, 437680, 815179, 1630358, 3260716, 4075895, 6521432, 8151790, 13042864, 16303580, 32607160, 65214320]

約数ペア:

[(1, 65214320), (2, 32607160), (4, 16303580), (5, 13042864), (8, 8151790), (10, 6521432), (16, 4075895), (20, 3260716), (40, 1630358), (80, 815179), (149, 437680), (298, 218840), (596, 109420), (745, 87536), (1192, 54710), (1490, 43768), (2384, 27355), (2980, 21884), (5471, 11920), (5960, 10942)]