101001875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 140654976

約数和(自身を除く): 39653101

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 401, 403, 625, 775, 1625, 2005, 2015, 3875, 5213, 8125, 10025, 10075, 12431, 19375, 26065, 50125, 50375, 62155, 130325, 161603, 250625, 251875, 310775, 651625, 808015, 1553875, 3258125, 4040075, 7769375, 20200375, 101001875]

約数ペア:

[(1, 101001875), (5, 20200375), (13, 7769375), (25, 4040075), (31, 3258125), (65, 1553875), (125, 808015), (155, 651625), (325, 310775), (401, 251875), (403, 250625), (625, 161603), (775, 130325), (1625, 62155), (2005, 50375), (2015, 50125), (3875, 26065), (5213, 19375), (8125, 12431), (10025, 10075)]