2079146875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 2847942720

約数和(自身を除く): 768795845

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 625, 793, 839, 1525, 1625, 3125, 3965, 4195, 7625, 8125, 10907, 19825, 20975, 38125, 40625, 51179, 54535, 99125, 104875, 190625, 255895, 272675, 495625, 524375, 665327, 1279475, 1363375, 2478125, 2621875, 3326635, 6397375, 6816875, 16633175, 31986875, 34084375, 83165875, 159934375, 415829375, 2079146875]

約数ペア:

[(1, 2079146875), (5, 415829375), (13, 159934375), (25, 83165875), (61, 34084375), (65, 31986875), (125, 16633175), (305, 6816875), (325, 6397375), (625, 3326635), (793, 2621875), (839, 2478125), (1525, 1363375), (1625, 1279475), (3125, 665327), (3965, 524375), (4195, 495625), (7625, 272675), (8125, 255895), (10907, 190625), (19825, 104875), (20975, 99125), (38125, 54535), (40625, 51179)]