259090520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38327}}^1$

素因数の和:38364

約数の個数: 48

約数和(自身を含む): 631262160

約数和(自身を除く): 372171640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 38327, 76654, 153308, 191635, 306616, 383270, 498251, 766540, 996502, 1533080, 1993004, 2491255, 3986008, 4982510, 6477263, 9965020, 12954526, 19930040, 25909052, 32386315, 51818104, 64772630, 129545260, 259090520]

約数ペア:

[(1, 259090520), (2, 129545260), (4, 64772630), (5, 51818104), (8, 32386315), (10, 25909052), (13, 19930040), (20, 12954526), (26, 9965020), (40, 6477263), (52, 4982510), (65, 3986008), (104, 2491255), (130, 1993004), (169, 1533080), (260, 996502), (338, 766540), (520, 498251), (676, 383270), (845, 306616), (1352, 191635), (1690, 153308), (3380, 76654), (6760, 38327)]