26561510

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 48898080

約数和(自身を除く): 22336570

約数列:

[1, 2, 5, 10, 97, 139, 194, 197, 278, 394, 485, 695, 970, 985, 1390, 1970, 13483, 19109, 26966, 27383, 38218, 54766, 67415, 95545, 134830, 136915, 191090, 273830, 2656151, 5312302, 13280755, 26561510]

約数ペア:

[(1, 26561510), (2, 13280755), (5, 5312302), (10, 2656151), (97, 273830), (139, 191090), (194, 136915), (197, 134830), (278, 95545), (394, 67415), (485, 54766), (695, 38218), (970, 27383), (985, 26966), (1390, 19109), (1970, 13483)]