8444020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 19531008

約数和(自身を除く): 11086988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 691, 940, 1222, 1382, 2444, 2764, 3055, 3455, 6110, 6910, 8983, 12220, 13820, 17966, 32477, 35932, 44915, 64954, 89830, 129908, 162385, 179660, 324770, 422201, 649540, 844402, 1688804, 2111005, 4222010, 8444020]

約数ペア:

[(1, 8444020), (2, 4222010), (4, 2111005), (5, 1688804), (10, 844402), (13, 649540), (20, 422201), (26, 324770), (47, 179660), (52, 162385), (65, 129908), (94, 89830), (130, 64954), (188, 44915), (235, 35932), (260, 32477), (470, 17966), (611, 13820), (691, 12220), (940, 8983), (1222, 6910), (1382, 6110), (2444, 3455), (2764, 3055)]