160995280

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3613}}^1$

素因数の和:4183

約数の個数: 40

約数和(自身を含む): 375089832

約数和(自身を除く): 214094552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 3613, 4456, 5570, 7226, 8912, 11140, 14452, 18065, 22280, 28904, 36130, 44560, 57808, 72260, 144520, 289040, 2012441, 4024882, 8049764, 10062205, 16099528, 20124410, 32199056, 40248820, 80497640, 160995280]

約数ペア:

[(1, 160995280), (2, 80497640), (4, 40248820), (5, 32199056), (8, 20124410), (10, 16099528), (16, 10062205), (20, 8049764), (40, 4024882), (80, 2012441), (557, 289040), (1114, 144520), (2228, 72260), (2785, 57808), (3613, 44560), (4456, 36130), (5570, 28904), (7226, 22280), (8912, 18065), (11140, 14452)]