55472140

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4327}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 116700192

約数和(自身を除く): 61228052

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 4327, 6410, 8654, 12820, 17308, 21635, 43270, 86540, 2773607, 5547214, 11094428, 13868035, 27736070, 55472140]

約数ペア:

[(1, 55472140), (2, 27736070), (4, 13868035), (5, 11094428), (10, 5547214), (20, 2773607), (641, 86540), (1282, 43270), (2564, 21635), (3205, 17308), (4327, 12820), (6410, 8654)]