25169240

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1901}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 56831760

約数和(自身を除く): 31662520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 1901, 2648, 3310, 3802, 6620, 7604, 9505, 13240, 15208, 19010, 38020, 76040, 629231, 1258462, 2516924, 3146155, 5033848, 6292310, 12584620, 25169240]

約数ペア:

[(1, 25169240), (2, 12584620), (4, 6292310), (5, 5033848), (8, 3146155), (10, 2516924), (20, 1258462), (40, 629231), (331, 76040), (662, 38020), (1324, 19010), (1655, 15208), (1901, 13240), (2648, 9505), (3310, 7604), (3802, 6620)]