810100240

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{12517}}^1$

素因数の和:13339

約数の個数: 40

約数和(自身を含む): 1885961880

約数和(自身を除く): 1075861640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 6472, 8090, 12517, 12944, 16180, 25034, 32360, 50068, 62585, 64720, 100136, 125170, 200272, 250340, 500680, 1001360, 10126253, 20252506, 40505012, 50631265, 81010024, 101262530, 162020048, 202525060, 405050120, 810100240]

約数ペア:

[(1, 810100240), (2, 405050120), (4, 202525060), (5, 162020048), (8, 101262530), (10, 81010024), (16, 50631265), (20, 40505012), (40, 20252506), (80, 10126253), (809, 1001360), (1618, 500680), (3236, 250340), (4045, 200272), (6472, 125170), (8090, 100136), (12517, 64720), (12944, 62585), (16180, 50068), (25034, 32360)]