61650040

素因数分解:

$2^3\times 5^1\times {\mathrm{1541251}}^1$

素因数の和:1541262

約数の個数: 16

約数和(自身を含む): 138712680

約数和(自身を除く): 77062640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1541251, 3082502, 6165004, 7706255, 12330008, 15412510, 30825020, 61650040]

約数ペア:

[(1, 61650040), (2, 30825020), (4, 15412510), (5, 12330008), (8, 7706255), (10, 6165004), (20, 3082502), (40, 1541251)]