56716840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21163}}^1$

素因数の和:21241

約数の個数: 32

約数和(自身を含む): 129523680

約数和(自身を除く): 72806840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 21163, 42326, 84652, 105815, 169304, 211630, 423260, 846520, 1417921, 2835842, 5671684, 7089605, 11343368, 14179210, 28358420, 56716840]

約数ペア:

[(1, 56716840), (2, 28358420), (4, 14179210), (5, 11343368), (8, 7089605), (10, 5671684), (20, 2835842), (40, 1417921), (67, 846520), (134, 423260), (268, 211630), (335, 169304), (536, 105815), (670, 84652), (1340, 42326), (2680, 21163)]