87460640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7699}}^1$

素因数の和:7785

約数の個数: 48

約数和(自身を含む): 209563200

約数和(自身を除く): 122102560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7699, 11360, 15398, 30796, 38495, 61592, 76990, 123184, 153980, 246368, 307960, 546629, 615920, 1093258, 1231840, 2186516, 2733145, 4373032, 5466290, 8746064, 10932580, 17492128, 21865160, 43730320, 87460640]

約数ペア:

[(1, 87460640), (2, 43730320), (4, 21865160), (5, 17492128), (8, 10932580), (10, 8746064), (16, 5466290), (20, 4373032), (32, 2733145), (40, 2186516), (71, 1231840), (80, 1093258), (142, 615920), (160, 546629), (284, 307960), (355, 246368), (568, 153980), (710, 123184), (1136, 76990), (1420, 61592), (2272, 38495), (2840, 30796), (5680, 15398), (7699, 11360)]