2770625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 40

約数和(自身を含む): 4198656

約数和(自身を除く): 1428031

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 125, 143, 155, 275, 325, 341, 403, 625, 715, 775, 1375, 1625, 1705, 2015, 3575, 3875, 4433, 6875, 8125, 8525, 10075, 17875, 19375, 22165, 42625, 50375, 89375, 110825, 213125, 251875, 554125, 2770625]

約数ペア:

[(1, 2770625), (5, 554125), (11, 251875), (13, 213125), (25, 110825), (31, 89375), (55, 50375), (65, 42625), (125, 22165), (143, 19375), (155, 17875), (275, 10075), (325, 8525), (341, 8125), (403, 6875), (625, 4433), (715, 3875), (775, 3575), (1375, 2015), (1625, 1705)]