25440460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 31249460

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1109, 1147, 2218, 2294, 4436, 4588, 5545, 5735, 11090, 11470, 22180, 22940, 34379, 41033, 68758, 82066, 137516, 164132, 171895, 205165, 343790, 410330, 687580, 820660, 1272023, 2544046, 5088092, 6360115, 12720230, 25440460]

約数ペア:

[(1, 25440460), (2, 12720230), (4, 6360115), (5, 5088092), (10, 2544046), (20, 1272023), (31, 820660), (37, 687580), (62, 410330), (74, 343790), (124, 205165), (148, 171895), (155, 164132), (185, 137516), (310, 82066), (370, 68758), (620, 41033), (740, 34379), (1109, 22940), (1147, 22180), (2218, 11470), (2294, 11090), (4436, 5735), (4588, 5545)]