85399840

素因数分解:

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

素因数の和:31429

約数の個数: 48

約数和(自身を含む): 213631992

約数和(自身を除く): 128232152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 31397, 62794, 125588, 156985, 251176, 313970, 502352, 533749, 627940, 1004704, 1067498, 1255880, 2134996, 2511760, 2668745, 4269992, 5023520, 5337490, 8539984, 10674980, 17079968, 21349960, 42699920, 85399840]

約数ペア:

[(1, 85399840), (2, 42699920), (4, 21349960), (5, 17079968), (8, 10674980), (10, 8539984), (16, 5337490), (17, 5023520), (20, 4269992), (32, 2668745), (34, 2511760), (40, 2134996), (68, 1255880), (80, 1067498), (85, 1004704), (136, 627940), (160, 533749), (170, 502352), (272, 313970), (340, 251176), (544, 156985), (680, 125588), (1360, 62794), (2720, 31397)]