17399840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6397}}^1$

素因数の和:6429

約数の個数: 48

約数和(自身を含む): 43531992

約数和(自身を除く): 26132152

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, 6397, 12794, 25588, 31985, 51176, 63970, 102352, 108749, 127940, 204704, 217498, 255880, 434996, 511760, 543745, 869992, 1023520, 1087490, 1739984, 2174980, 3479968, 4349960, 8699920, 17399840]

約数ペア:

[(1, 17399840), (2, 8699920), (4, 4349960), (5, 3479968), (8, 2174980), (10, 1739984), (16, 1087490), (17, 1023520), (20, 869992), (32, 543745), (34, 511760), (40, 434996), (68, 255880), (80, 217498), (85, 204704), (136, 127940), (160, 108749), (170, 102352), (272, 63970), (340, 51176), (544, 31985), (680, 25588), (1360, 12794), (2720, 6397)]