88887640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 122619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1223, 1580, 1817, 2446, 3160, 3634, 4892, 6115, 7268, 9085, 9784, 12230, 14536, 18170, 24460, 28129, 36340, 48920, 56258, 72680, 96617, 112516, 140645, 193234, 225032, 281290, 386468, 483085, 562580, 772936, 966170, 1125160, 1932340, 2222191, 3864680, 4444382, 8888764, 11110955, 17777528, 22221910, 44443820, 88887640]

約数ペア:

[(1, 88887640), (2, 44443820), (4, 22221910), (5, 17777528), (8, 11110955), (10, 8888764), (20, 4444382), (23, 3864680), (40, 2222191), (46, 1932340), (79, 1125160), (92, 966170), (115, 772936), (158, 562580), (184, 483085), (230, 386468), (316, 281290), (395, 225032), (460, 193234), (632, 140645), (790, 112516), (920, 96617), (1223, 72680), (1580, 56258), (1817, 48920), (2446, 36340), (3160, 28129), (3634, 24460), (4892, 18170), (6115, 14536), (7268, 12230), (9085, 9784)]