90777920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9151}}^1$

素因数の和:9199

約数の個数: 56

約数和(自身を含む): 223162368

約数和(自身を除く): 132384448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9151, 9920, 18302, 36604, 45755, 73208, 91510, 146416, 183020, 283681, 292832, 366040, 567362, 585664, 732080, 1134724, 1418405, 1464160, 2269448, 2836810, 2928320, 4538896, 5673620, 9077792, 11347240, 18155584, 22694480, 45388960, 90777920]

約数ペア:

[(1, 90777920), (2, 45388960), (4, 22694480), (5, 18155584), (8, 11347240), (10, 9077792), (16, 5673620), (20, 4538896), (31, 2928320), (32, 2836810), (40, 2269448), (62, 1464160), (64, 1418405), (80, 1134724), (124, 732080), (155, 585664), (160, 567362), (248, 366040), (310, 292832), (320, 283681), (496, 183020), (620, 146416), (992, 91510), (1240, 73208), (1984, 45755), (2480, 36604), (4960, 18302), (9151, 9920)]