89868820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 199503360

約数和(自身を除く): 109634540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 2473, 3634, 4946, 7268, 9085, 9892, 12365, 18170, 24730, 36340, 49460, 56879, 113758, 195367, 227516, 284395, 390734, 568790, 781468, 976835, 1137580, 1953670, 3907340, 4493441, 8986882, 17973764, 22467205, 44934410, 89868820]

約数ペア:

[(1, 89868820), (2, 44934410), (4, 22467205), (5, 17973764), (10, 8986882), (20, 4493441), (23, 3907340), (46, 1953670), (79, 1137580), (92, 976835), (115, 781468), (158, 568790), (230, 390734), (316, 284395), (395, 227516), (460, 195367), (790, 113758), (1580, 56879), (1817, 49460), (2473, 36340), (3634, 24730), (4946, 18170), (7268, 12365), (9085, 9892)]