66126520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6917}}^1$

素因数の和:7167

約数の個数: 32

約数和(自身を含む): 149428800

約数和(自身を除く): 83302280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6917, 9560, 13834, 27668, 34585, 55336, 69170, 138340, 276680, 1653163, 3306326, 6612652, 8265815, 13225304, 16531630, 33063260, 66126520]

約数ペア:

[(1, 66126520), (2, 33063260), (4, 16531630), (5, 13225304), (8, 8265815), (10, 6612652), (20, 3306326), (40, 1653163), (239, 276680), (478, 138340), (956, 69170), (1195, 55336), (1912, 34585), (2390, 27668), (4780, 13834), (6917, 9560)]