133128880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53681}}^1$

素因数の和:53725

約数の個数: 40

約数和(自身を含む): 319515264

約数和(自身を除く): 186386384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 53681, 107362, 214724, 268405, 429448, 536810, 858896, 1073620, 1664111, 2147240, 3328222, 4294480, 6656444, 8320555, 13312888, 16641110, 26625776, 33282220, 66564440, 133128880]

約数ペア:

[(1, 133128880), (2, 66564440), (4, 33282220), (5, 26625776), (8, 16641110), (10, 13312888), (16, 8320555), (20, 6656444), (31, 4294480), (40, 3328222), (62, 2147240), (80, 1664111), (124, 1073620), (155, 858896), (248, 536810), (310, 429448), (496, 268405), (620, 214724), (1240, 107362), (2480, 53681)]