12345621880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3055847}}^1$

素因数の和:3055959

約数の個数: 32

約数和(自身を含む): 28052684640

約数和(自身を除く): 15707062760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 3055847, 6111694, 12223388, 15279235, 24446776, 30558470, 61116940, 122233880, 308640547, 617281094, 1234562188, 1543202735, 2469124376, 3086405470, 6172810940, 12345621880]

約数ペア:

[(1, 12345621880), (2, 6172810940), (4, 3086405470), (5, 2469124376), (8, 1543202735), (10, 1234562188), (20, 617281094), (40, 308640547), (101, 122233880), (202, 61116940), (404, 30558470), (505, 24446776), (808, 15279235), (1010, 12223388), (2020, 6111694), (4040, 3055847)]