7881250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 16077096

約数和(自身を除く): 8195846

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 125, 130, 194, 250, 325, 485, 625, 650, 970, 1250, 1261, 1625, 2425, 2522, 3125, 3250, 4850, 6250, 6305, 8125, 12125, 12610, 16250, 24250, 31525, 40625, 60625, 63050, 81250, 121250, 157625, 303125, 315250, 606250, 788125, 1576250, 3940625, 7881250]

約数ペア:

[(1, 7881250), (2, 3940625), (5, 1576250), (10, 788125), (13, 606250), (25, 315250), (26, 303125), (50, 157625), (65, 121250), (97, 81250), (125, 63050), (130, 60625), (194, 40625), (250, 31525), (325, 24250), (485, 16250), (625, 12610), (650, 12125), (970, 8125), (1250, 6305), (1261, 6250), (1625, 4850), (2425, 3250), (2522, 3125)]