13509968180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{19699}}^1$

素因数の和:20408

約数の個数: 48

約数和(自身を含む): 28952380800

約数和(自身を除く): 15442412620

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 647, 1060, 1294, 2588, 3235, 6470, 12940, 19699, 34291, 39398, 68582, 78796, 98495, 137164, 171455, 196990, 342910, 393980, 685820, 1044047, 2088094, 4176188, 5220235, 10440470, 12745253, 20880940, 25490506, 50981012, 63726265, 127452530, 254905060, 675498409, 1350996818, 2701993636, 3377492045, 6754984090, 13509968180]

約数ペア:

[(1, 13509968180), (2, 6754984090), (4, 3377492045), (5, 2701993636), (10, 1350996818), (20, 675498409), (53, 254905060), (106, 127452530), (212, 63726265), (265, 50981012), (530, 25490506), (647, 20880940), (1060, 12745253), (1294, 10440470), (2588, 5220235), (3235, 4176188), (6470, 2088094), (12940, 1044047), (19699, 685820), (34291, 393980), (39398, 342910), (68582, 196990), (78796, 171455), (98495, 137164)]