26427640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10831}}^1$

素因数の和:10903

約数の個数: 32

約数和(自身を含む): 60442560

約数和(自身を除く): 34014920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10831, 21662, 43324, 54155, 86648, 108310, 216620, 433240, 660691, 1321382, 2642764, 3303455, 5285528, 6606910, 13213820, 26427640]

約数ペア:

[(1, 26427640), (2, 13213820), (4, 6606910), (5, 5285528), (8, 3303455), (10, 2642764), (20, 1321382), (40, 660691), (61, 433240), (122, 216620), (244, 108310), (305, 86648), (488, 54155), (610, 43324), (1220, 21662), (2440, 10831)]