42000040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33871}}^1$

素因数の和:33913

約数の個数: 32

約数和(自身を含む): 97551360

約数和(自身を除く): 55551320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 33871, 67742, 135484, 169355, 270968, 338710, 677420, 1050001, 1354840, 2100002, 4200004, 5250005, 8400008, 10500010, 21000020, 42000040]

約数ペア:

[(1, 42000040), (2, 21000020), (4, 10500010), (5, 8400008), (8, 5250005), (10, 4200004), (20, 2100002), (31, 1354840), (40, 1050001), (62, 677420), (124, 338710), (155, 270968), (248, 169355), (310, 135484), (620, 67742), (1240, 33871)]