420996875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 582275232

約数和(自身を除く): 161278357

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 241, 325, 559, 625, 1075, 1205, 1625, 2795, 3125, 3133, 5375, 6025, 8125, 10363, 13975, 15665, 26875, 30125, 40625, 51815, 69875, 78325, 134375, 134719, 150625, 259075, 349375, 391625, 673595, 753125, 1295375, 1746875, 1958125, 3367975, 6476875, 9790625, 16839875, 32384375, 84199375, 420996875]

約数ペア:

[(1, 420996875), (5, 84199375), (13, 32384375), (25, 16839875), (43, 9790625), (65, 6476875), (125, 3367975), (215, 1958125), (241, 1746875), (325, 1295375), (559, 753125), (625, 673595), (1075, 391625), (1205, 349375), (1625, 259075), (2795, 150625), (3125, 134719), (3133, 134375), (5375, 78325), (6025, 69875), (8125, 51815), (10363, 40625), (13975, 30125), (15665, 26875)]