25685780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 54916092

約数和(自身を除く): 29230312

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 241, 292, 365, 482, 730, 964, 1205, 1460, 2410, 4820, 5329, 10658, 17593, 21316, 26645, 35186, 53290, 70372, 87965, 106580, 175930, 351860, 1284289, 2568578, 5137156, 6421445, 12842890, 25685780]

約数ペア:

[(1, 25685780), (2, 12842890), (4, 6421445), (5, 5137156), (10, 2568578), (20, 1284289), (73, 351860), (146, 175930), (241, 106580), (292, 87965), (365, 70372), (482, 53290), (730, 35186), (964, 26645), (1205, 21316), (1460, 17593), (2410, 10658), (4820, 5329)]