39640540

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8293}}^1$

素因数の和:8541

約数の個数: 24

約数和(自身を含む): 83603520

約数和(自身を除く): 43962980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 8293, 16586, 33172, 41465, 82930, 165860, 1982027, 3964054, 7928108, 9910135, 19820270, 39640540]

約数ペア:

[(1, 39640540), (2, 19820270), (4, 9910135), (5, 7928108), (10, 3964054), (20, 1982027), (239, 165860), (478, 82930), (956, 41465), (1195, 33172), (2390, 16586), (4780, 8293)]