25398750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 80

約数和(自身を含む): 68490576

約数和(自身を除く): 43091826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 521, 625, 650, 750, 975, 1042, 1250, 1563, 1625, 1875, 1950, 2605, 3126, 3250, 3750, 4875, 5210, 6773, 7815, 8125, 9750, 13025, 13546, 15630, 16250, 20319, 24375, 26050, 33865, 39075, 40638, 48750, 65125, 67730, 78150, 101595, 130250, 169325, 195375, 203190, 325625, 338650, 390750, 507975, 651250, 846625, 976875, 1015950, 1693250, 1953750, 2539875, 4233125, 5079750, 8466250, 12699375, 25398750]

約数ペア:

[(1, 25398750), (2, 12699375), (3, 8466250), (5, 5079750), (6, 4233125), (10, 2539875), (13, 1953750), (15, 1693250), (25, 1015950), (26, 976875), (30, 846625), (39, 651250), (50, 507975), (65, 390750), (75, 338650), (78, 325625), (125, 203190), (130, 195375), (150, 169325), (195, 130250), (250, 101595), (325, 78150), (375, 67730), (390, 65125), (521, 48750), (625, 40638), (650, 39075), (750, 33865), (975, 26050), (1042, 24375), (1250, 20319), (1563, 16250), (1625, 15630), (1875, 13546), (1950, 13025), (2605, 9750), (3126, 8125), (3250, 7815), (3750, 6773), (4875, 5210)]