982156880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{396031}}^1$

素因数の和:396075

約数の個数: 40

約数和(自身を含む): 2357182464

約数和(自身を除く): 1375025584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 396031, 792062, 1584124, 1980155, 3168248, 3960310, 6336496, 7920620, 12276961, 15841240, 24553922, 31682480, 49107844, 61384805, 98215688, 122769610, 196431376, 245539220, 491078440, 982156880]

約数ペア:

[(1, 982156880), (2, 491078440), (4, 245539220), (5, 196431376), (8, 122769610), (10, 98215688), (16, 61384805), (20, 49107844), (31, 31682480), (40, 24553922), (62, 15841240), (80, 12276961), (124, 7920620), (155, 6336496), (248, 3960310), (310, 3168248), (496, 1980155), (620, 1584124), (1240, 792062), (2480, 396031)]