8240375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 12108096

約数和(自身を除く): 3867721

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 461, 715, 1375, 1625, 2305, 3575, 5071, 5993, 11525, 17875, 25355, 29965, 57625, 65923, 126775, 149825, 329615, 633875, 749125, 1648075, 8240375]

約数ペア:

[(1, 8240375), (5, 1648075), (11, 749125), (13, 633875), (25, 329615), (55, 149825), (65, 126775), (125, 65923), (143, 57625), (275, 29965), (325, 25355), (461, 17875), (715, 11525), (1375, 5993), (1625, 5071), (2305, 3575)]