25731550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 53246592

約数和(自身を除く): 27515042

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1277, 1550, 2015, 2554, 4030, 6385, 10075, 12770, 16601, 20150, 31925, 33202, 39587, 63850, 79174, 83005, 166010, 197935, 395870, 415025, 514631, 830050, 989675, 1029262, 1979350, 2573155, 5146310, 12865775, 25731550]

約数ペア:

[(1, 25731550), (2, 12865775), (5, 5146310), (10, 2573155), (13, 1979350), (25, 1029262), (26, 989675), (31, 830050), (50, 514631), (62, 415025), (65, 395870), (130, 197935), (155, 166010), (310, 83005), (325, 79174), (403, 63850), (650, 39587), (775, 33202), (806, 31925), (1277, 20150), (1550, 16601), (2015, 12770), (2554, 10075), (4030, 6385)]