8905280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1671

約数の個数: 56

約数和(自身を含む): 22466808

約数和(自身を除く): 13561528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1637, 2720, 3274, 5440, 6548, 8185, 13096, 16370, 26192, 27829, 32740, 52384, 55658, 65480, 104768, 111316, 130960, 139145, 222632, 261920, 278290, 445264, 523840, 556580, 890528, 1113160, 1781056, 2226320, 4452640, 8905280]

約数ペア:

[(1, 8905280), (2, 4452640), (4, 2226320), (5, 1781056), (8, 1113160), (10, 890528), (16, 556580), (17, 523840), (20, 445264), (32, 278290), (34, 261920), (40, 222632), (64, 139145), (68, 130960), (80, 111316), (85, 104768), (136, 65480), (160, 55658), (170, 52384), (272, 32740), (320, 27829), (340, 26192), (544, 16370), (680, 13096), (1088, 8185), (1360, 6548), (1637, 5440), (2720, 3274)]