8143840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 20085408

約数和(自身を除く): 11941568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 2213, 3680, 4426, 8852, 11065, 17704, 22130, 35408, 44260, 50899, 70816, 88520, 101798, 177040, 203596, 254495, 354080, 407192, 508990, 814384, 1017980, 1628768, 2035960, 4071920, 8143840]

約数ペア:

[(1, 8143840), (2, 4071920), (4, 2035960), (5, 1628768), (8, 1017980), (10, 814384), (16, 508990), (20, 407192), (23, 354080), (32, 254495), (40, 203596), (46, 177040), (80, 101798), (92, 88520), (115, 70816), (160, 50899), (184, 44260), (230, 35408), (368, 22130), (460, 17704), (736, 11065), (920, 8852), (1840, 4426), (2213, 3680)]