76976875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 103466880

約数和(自身を除く): 26490005

約数列:

[1, 5, 25, 29, 31, 125, 137, 145, 155, 625, 685, 725, 775, 899, 3425, 3625, 3875, 3973, 4247, 4495, 17125, 18125, 19375, 19865, 21235, 22475, 85625, 99325, 106175, 112375, 123163, 496625, 530875, 561875, 615815, 2483125, 2654375, 3079075, 15395375, 76976875]

約数ペア:

[(1, 76976875), (5, 15395375), (25, 3079075), (29, 2654375), (31, 2483125), (125, 615815), (137, 561875), (145, 530875), (155, 496625), (625, 123163), (685, 112375), (725, 106175), (775, 99325), (899, 85625), (3425, 22475), (3625, 21235), (3875, 19865), (3973, 19375), (4247, 18125), (4495, 17125)]