61139080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25057}}^1$

素因数の和:25129

約数の個数: 32

約数和(自身を含む): 139823640

約数和(自身を除く): 78684560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 25057, 50114, 100228, 125285, 200456, 250570, 501140, 1002280, 1528477, 3056954, 6113908, 7642385, 12227816, 15284770, 30569540, 61139080]

約数ペア:

[(1, 61139080), (2, 30569540), (4, 15284770), (5, 12227816), (8, 7642385), (10, 6113908), (20, 3056954), (40, 1528477), (61, 1002280), (122, 501140), (244, 250570), (305, 200456), (488, 125285), (610, 100228), (1220, 50114), (2440, 25057)]