85889375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 60

約数和(自身を含む): 130289544

約数和(自身を除く): 44400169

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 125, 143, 155, 275, 325, 341, 403, 625, 715, 775, 961, 1375, 1625, 1705, 2015, 3575, 3875, 4433, 4805, 6875, 8125, 8525, 10075, 10571, 12493, 17875, 19375, 22165, 24025, 42625, 50375, 52855, 62465, 89375, 110825, 120125, 137423, 213125, 251875, 264275, 312325, 554125, 600625, 687115, 1321375, 1561625, 2770625, 3435575, 6606875, 7808125, 17177875, 85889375]

約数ペア:

[(1, 85889375), (5, 17177875), (11, 7808125), (13, 6606875), (25, 3435575), (31, 2770625), (55, 1561625), (65, 1321375), (125, 687115), (143, 600625), (155, 554125), (275, 312325), (325, 264275), (341, 251875), (403, 213125), (625, 137423), (715, 120125), (775, 110825), (961, 89375), (1375, 62465), (1625, 52855), (1705, 50375), (2015, 42625), (3575, 24025), (3875, 22165), (4433, 19375), (4805, 17875), (6875, 12493), (8125, 10571), (8525, 10075)]