90969280

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1049}}^1$

素因数の和:1337

約数の個数: 56

約数和(自身を含む): 217627200

約数和(自身を除く): 126657920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1049, 1084, 1355, 2098, 2168, 2710, 4196, 4336, 5245, 5420, 8392, 8672, 10490, 10840, 16784, 17344, 20980, 21680, 33568, 41960, 43360, 67136, 83920, 86720, 167840, 284279, 335680, 568558, 1137116, 1421395, 2274232, 2842790, 4548464, 5685580, 9096928, 11371160, 18193856, 22742320, 45484640, 90969280]

約数ペア:

[(1, 90969280), (2, 45484640), (4, 22742320), (5, 18193856), (8, 11371160), (10, 9096928), (16, 5685580), (20, 4548464), (32, 2842790), (40, 2274232), (64, 1421395), (80, 1137116), (160, 568558), (271, 335680), (320, 284279), (542, 167840), (1049, 86720), (1084, 83920), (1355, 67136), (2098, 43360), (2168, 41960), (2710, 33568), (4196, 21680), (4336, 20980), (5245, 17344), (5420, 16784), (8392, 10840), (8672, 10490)]