9968871620

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1\times {\mathrm{3797}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 21063768768

約数和(自身を除く): 11094897148

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 523, 1004, 1046, 1255, 2092, 2510, 2615, 3797, 5020, 5230, 7594, 10460, 15188, 18985, 37970, 75940, 131273, 262546, 525092, 656365, 953047, 1312730, 1906094, 1985831, 2625460, 3812188, 3971662, 4765235, 7943324, 9530470, 9929155, 19060940, 19858310, 39716620, 498443581, 996887162, 1993774324, 2492217905, 4984435810, 9968871620]

約数ペア:

[(1, 9968871620), (2, 4984435810), (4, 2492217905), (5, 1993774324), (10, 996887162), (20, 498443581), (251, 39716620), (502, 19858310), (523, 19060940), (1004, 9929155), (1046, 9530470), (1255, 7943324), (2092, 4765235), (2510, 3971662), (2615, 3812188), (3797, 2625460), (5020, 1985831), (5230, 1906094), (7594, 1312730), (10460, 953047), (15188, 656365), (18985, 525092), (37970, 262546), (75940, 131273)]