87384280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 204819840

約数和(自身を除く): 117435560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 877, 940, 1060, 1754, 1880, 2120, 2491, 3508, 4385, 4982, 7016, 8770, 9964, 12455, 17540, 19928, 24910, 35080, 41219, 46481, 49820, 82438, 92962, 99640, 164876, 185924, 206095, 232405, 329752, 371848, 412190, 464810, 824380, 929620, 1648760, 1859240, 2184607, 4369214, 8738428, 10923035, 17476856, 21846070, 43692140, 87384280]

約数ペア:

[(1, 87384280), (2, 43692140), (4, 21846070), (5, 17476856), (8, 10923035), (10, 8738428), (20, 4369214), (40, 2184607), (47, 1859240), (53, 1648760), (94, 929620), (106, 824380), (188, 464810), (212, 412190), (235, 371848), (265, 329752), (376, 232405), (424, 206095), (470, 185924), (530, 164876), (877, 99640), (940, 92962), (1060, 82438), (1754, 49820), (1880, 46481), (2120, 41219), (2491, 35080), (3508, 24910), (4385, 19928), (4982, 17540), (7016, 12455), (8770, 9964)]