85680940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 186988032

約数和(自身を除く): 101307092

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 1487, 2881, 2974, 5762, 5948, 7435, 11524, 14405, 14870, 28810, 29740, 57620, 63941, 99629, 127882, 199258, 255764, 319705, 398516, 498145, 639410, 996290, 1278820, 1992580, 4284047, 8568094, 17136188, 21420235, 42840470, 85680940]

約数ペア:

[(1, 85680940), (2, 42840470), (4, 21420235), (5, 17136188), (10, 8568094), (20, 4284047), (43, 1992580), (67, 1278820), (86, 996290), (134, 639410), (172, 498145), (215, 398516), (268, 319705), (335, 255764), (430, 199258), (670, 127882), (860, 99629), (1340, 63941), (1487, 57620), (2881, 29740), (2974, 28810), (5762, 14870), (5948, 14405), (7435, 11524)]