42471640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6763}}^1$

素因数の和:6931

約数の個数: 32

約数和(自身を含む): 96184080

約数和(自身を除く): 53712440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6763, 13526, 27052, 33815, 54104, 67630, 135260, 270520, 1061791, 2123582, 4247164, 5308955, 8494328, 10617910, 21235820, 42471640]

約数ペア:

[(1, 42471640), (2, 21235820), (4, 10617910), (5, 8494328), (8, 5308955), (10, 4247164), (20, 2123582), (40, 1061791), (157, 270520), (314, 135260), (628, 67630), (785, 54104), (1256, 33815), (1570, 27052), (3140, 13526), (6280, 6763)]