31426625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 11973823

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 575, 643, 1955, 2125, 2875, 3215, 9775, 10931, 14789, 16075, 48875, 54655, 73945, 80375, 251413, 273275, 369725, 1257065, 1366375, 1848625, 6285325, 31426625]

約数ペア:

[(1, 31426625), (5, 6285325), (17, 1848625), (23, 1366375), (25, 1257065), (85, 369725), (115, 273275), (125, 251413), (391, 80375), (425, 73945), (575, 54655), (643, 48875), (1955, 16075), (2125, 14789), (2875, 10931), (3215, 9775)]