139844840

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{3391}}^1$

素因数の和:4433

約数の個数: 32

約数和(自身を含む): 315048960

約数和(自身を除く): 175204120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 3391, 4124, 5155, 6782, 8248, 10310, 13564, 16955, 20620, 27128, 33910, 41240, 67820, 135640, 3496121, 6992242, 13984484, 17480605, 27968968, 34961210, 69922420, 139844840]

約数ペア:

[(1, 139844840), (2, 69922420), (4, 34961210), (5, 27968968), (8, 17480605), (10, 13984484), (20, 6992242), (40, 3496121), (1031, 135640), (2062, 67820), (3391, 41240), (4124, 33910), (5155, 27128), (6782, 20620), (8248, 16955), (10310, 13564)]