28965625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 13031687

約数列:

[1, 5, 13, 23, 25, 31, 65, 115, 125, 155, 299, 325, 403, 575, 625, 713, 775, 1495, 1625, 2015, 2875, 3125, 3565, 3875, 7475, 8125, 9269, 10075, 14375, 17825, 19375, 37375, 40625, 46345, 50375, 71875, 89125, 96875, 186875, 231725, 251875, 445625, 934375, 1158625, 1259375, 2228125, 5793125, 28965625]

約数ペア:

[(1, 28965625), (5, 5793125), (13, 2228125), (23, 1259375), (25, 1158625), (31, 934375), (65, 445625), (115, 251875), (125, 231725), (155, 186875), (299, 96875), (325, 89125), (403, 71875), (575, 50375), (625, 46345), (713, 40625), (775, 37375), (1495, 19375), (1625, 17825), (2015, 14375), (2875, 10075), (3125, 9269), (3565, 8125), (3875, 7475)]