90113360

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2213}}^1$

素因数の和:2735

約数の個数: 40

約数和(自身を含む): 210020040

約数和(自身を除く): 119906680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2213, 2545, 4072, 4426, 5090, 8144, 8852, 10180, 11065, 17704, 20360, 22130, 35408, 40720, 44260, 88520, 177040, 1126417, 2252834, 4505668, 5632085, 9011336, 11264170, 18022672, 22528340, 45056680, 90113360]

約数ペア:

[(1, 90113360), (2, 45056680), (4, 22528340), (5, 18022672), (8, 11264170), (10, 9011336), (16, 5632085), (20, 4505668), (40, 2252834), (80, 1126417), (509, 177040), (1018, 88520), (2036, 44260), (2213, 40720), (2545, 35408), (4072, 22130), (4426, 20360), (5090, 17704), (8144, 11065), (8852, 10180)]