89715860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11184

約数の個数: 48

約数和(自身を含む): 209459712

約数和(自身を除く): 119743852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 11131, 22262, 44524, 55655, 111310, 144703, 222620, 289406, 345061, 578812, 690122, 723515, 1380244, 1447030, 1725305, 2894060, 3450610, 4485793, 6901220, 8971586, 17943172, 22428965, 44857930, 89715860]

約数ペア:

[(1, 89715860), (2, 44857930), (4, 22428965), (5, 17943172), (10, 8971586), (13, 6901220), (20, 4485793), (26, 3450610), (31, 2894060), (52, 1725305), (62, 1447030), (65, 1380244), (124, 723515), (130, 690122), (155, 578812), (260, 345061), (310, 289406), (403, 222620), (620, 144703), (806, 111310), (1612, 55655), (2015, 44524), (4030, 22262), (8060, 11131)]