4452640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 11144952

約数和(自身を除く): 6692312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 1637, 2720, 3274, 6548, 8185, 13096, 16370, 26192, 27829, 32740, 52384, 55658, 65480, 111316, 130960, 139145, 222632, 261920, 278290, 445264, 556580, 890528, 1113160, 2226320, 4452640]

約数ペア:

[(1, 4452640), (2, 2226320), (4, 1113160), (5, 890528), (8, 556580), (10, 445264), (16, 278290), (17, 261920), (20, 222632), (32, 139145), (34, 130960), (40, 111316), (68, 65480), (80, 55658), (85, 52384), (136, 32740), (160, 27829), (170, 26192), (272, 16370), (340, 13096), (544, 8185), (680, 6548), (1360, 3274), (1637, 2720)]