25787980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 58181760

約数和(自身を除く): 32393780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1039, 1241, 1460, 2078, 2482, 4156, 4964, 5195, 6205, 10390, 12410, 17663, 20780, 24820, 35326, 70652, 75847, 88315, 151694, 176630, 303388, 353260, 379235, 758470, 1289399, 1516940, 2578798, 5157596, 6446995, 12893990, 25787980]

約数ペア:

[(1, 25787980), (2, 12893990), (4, 6446995), (5, 5157596), (10, 2578798), (17, 1516940), (20, 1289399), (34, 758470), (68, 379235), (73, 353260), (85, 303388), (146, 176630), (170, 151694), (292, 88315), (340, 75847), (365, 70652), (730, 35326), (1039, 24820), (1241, 20780), (1460, 17663), (2078, 12410), (2482, 10390), (4156, 6205), (4964, 5195)]