61269640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49411}}^1$

素因数の和:49453

約数の個数: 32

約数和(自身を含む): 142306560

約数和(自身を除く): 81036920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49411, 98822, 197644, 247055, 395288, 494110, 988220, 1531741, 1976440, 3063482, 6126964, 7658705, 12253928, 15317410, 30634820, 61269640]

約数ペア:

[(1, 61269640), (2, 30634820), (4, 15317410), (5, 12253928), (8, 7658705), (10, 6126964), (20, 3063482), (31, 1976440), (40, 1531741), (62, 988220), (124, 494110), (155, 395288), (248, 247055), (310, 197644), (620, 98822), (1240, 49411)]