50862500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 120195432

約数和(自身を除く): 69332932

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 313, 325, 500, 625, 626, 650, 1250, 1252, 1300, 1565, 1625, 2500, 3125, 3130, 3250, 4069, 6250, 6260, 6500, 7825, 8125, 8138, 12500, 15650, 16250, 16276, 20345, 31300, 32500, 39125, 40625, 40690, 78250, 81250, 81380, 101725, 156500, 162500, 195625, 203450, 391250, 406900, 508625, 782500, 978125, 1017250, 1956250, 2034500, 2543125, 3912500, 5086250, 10172500, 12715625, 25431250, 50862500]

約数ペア:

[(1, 50862500), (2, 25431250), (4, 12715625), (5, 10172500), (10, 5086250), (13, 3912500), (20, 2543125), (25, 2034500), (26, 1956250), (50, 1017250), (52, 978125), (65, 782500), (100, 508625), (125, 406900), (130, 391250), (250, 203450), (260, 195625), (313, 162500), (325, 156500), (500, 101725), (625, 81380), (626, 81250), (650, 78250), (1250, 40690), (1252, 40625), (1300, 39125), (1565, 32500), (1625, 31300), (2500, 20345), (3125, 16276), (3130, 16250), (3250, 15650), (4069, 12500), (6250, 8138), (6260, 8125), (6500, 7825)]