55409620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4552

約数の個数: 48

約数和(自身を含む): 134507520

約数和(自身を除く): 79097900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 4447, 6230, 8894, 12460, 17788, 22235, 31129, 44470, 62258, 88940, 124516, 155645, 311290, 395783, 622580, 791566, 1583132, 1978915, 2770481, 3957830, 5540962, 7915660, 11081924, 13852405, 27704810, 55409620]

約数ペア:

[(1, 55409620), (2, 27704810), (4, 13852405), (5, 11081924), (7, 7915660), (10, 5540962), (14, 3957830), (20, 2770481), (28, 1978915), (35, 1583132), (70, 791566), (89, 622580), (140, 395783), (178, 311290), (356, 155645), (445, 124516), (623, 88940), (890, 62258), (1246, 44470), (1780, 31129), (2492, 22235), (3115, 17788), (4447, 12460), (6230, 8894)]