90713720

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1709}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 204379200

約数和(自身を除く): 113665480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 1709, 2654, 3418, 5308, 6635, 6836, 8545, 10616, 13270, 13672, 17090, 26540, 34180, 53080, 68360, 2267843, 4535686, 9071372, 11339215, 18142744, 22678430, 45356860, 90713720]

約数ペア:

[(1, 90713720), (2, 45356860), (4, 22678430), (5, 18142744), (8, 11339215), (10, 9071372), (20, 4535686), (40, 2267843), (1327, 68360), (1709, 53080), (2654, 34180), (3418, 26540), (5308, 17090), (6635, 13672), (6836, 13270), (8545, 10616)]