89212240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85781}}^1$

素因数の和:85807

約数の個数: 40

約数和(自身を含む): 223376328

約数和(自身を除く): 134164088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85781, 171562, 343124, 428905, 686248, 857810, 1115153, 1372496, 1715620, 2230306, 3431240, 4460612, 5575765, 6862480, 8921224, 11151530, 17842448, 22303060, 44606120, 89212240]

約数ペア:

[(1, 89212240), (2, 44606120), (4, 22303060), (5, 17842448), (8, 11151530), (10, 8921224), (13, 6862480), (16, 5575765), (20, 4460612), (26, 3431240), (40, 2230306), (52, 1715620), (65, 1372496), (80, 1115153), (104, 857810), (130, 686248), (208, 428905), (260, 343124), (520, 171562), (1040, 85781)]