879920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 2169504

約数和(自身を除く): 1289584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 647, 680, 1294, 1360, 2588, 3235, 5176, 6470, 10352, 10999, 12940, 21998, 25880, 43996, 51760, 54995, 87992, 109990, 175984, 219980, 439960, 879920]

約数ペア:

[(1, 879920), (2, 439960), (4, 219980), (5, 175984), (8, 109990), (10, 87992), (16, 54995), (17, 51760), (20, 43996), (34, 25880), (40, 21998), (68, 12940), (80, 10999), (85, 10352), (136, 6470), (170, 5176), (272, 3235), (340, 2588), (647, 1360), (680, 1294)]