61690040

素因数分解:

$2^3\times 5^1\times {\mathrm{1542251}}^1$

素因数の和:1542262

約数の個数: 16

約数和(自身を含む): 138802680

約数和(自身を除く): 77112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1542251, 3084502, 6169004, 7711255, 12338008, 15422510, 30845020, 61690040]

約数ペア:

[(1, 61690040), (2, 30845020), (4, 15422510), (5, 12338008), (8, 7711255), (10, 6169004), (20, 3084502), (40, 1542251)]