90623080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{12517}}^1$

素因数の和:12709

約数の個数: 32

約数和(自身を含む): 205044840

約数和(自身を除く): 114421760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 12517, 25034, 50068, 62585, 100136, 125170, 250340, 500680, 2265577, 4531154, 9062308, 11327885, 18124616, 22655770, 45311540, 90623080]

約数ペア:

[(1, 90623080), (2, 45311540), (4, 22655770), (5, 18124616), (8, 11327885), (10, 9062308), (20, 4531154), (40, 2265577), (181, 500680), (362, 250340), (724, 125170), (905, 100136), (1448, 62585), (1810, 50068), (3620, 25034), (7240, 12517)]