42699920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31397}}^1$

素因数の和:31427

約数の個数: 40

約数和(自身を含む): 105120504

約数和(自身を除く): 62420584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 31397, 62794, 125588, 156985, 251176, 313970, 502352, 533749, 627940, 1067498, 1255880, 2134996, 2511760, 2668745, 4269992, 5337490, 8539984, 10674980, 21349960, 42699920]

約数ペア:

[(1, 42699920), (2, 21349960), (4, 10674980), (5, 8539984), (8, 5337490), (10, 4269992), (16, 2668745), (17, 2511760), (20, 2134996), (34, 1255880), (40, 1067498), (68, 627940), (80, 533749), (85, 502352), (136, 313970), (170, 251176), (272, 156985), (340, 125588), (680, 62794), (1360, 31397)]