1118745520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{822607}}^1$

素因数の和:822637

約数の個数: 40

約数和(自身を含む): 2754091584

約数和(自身を除く): 1635346064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 822607, 1645214, 3290428, 4113035, 6580856, 8226070, 13161712, 13984319, 16452140, 27968638, 32904280, 55937276, 65808560, 69921595, 111874552, 139843190, 223749104, 279686380, 559372760, 1118745520]

約数ペア:

[(1, 1118745520), (2, 559372760), (4, 279686380), (5, 223749104), (8, 139843190), (10, 111874552), (16, 69921595), (17, 65808560), (20, 55937276), (34, 32904280), (40, 27968638), (68, 16452140), (80, 13984319), (85, 13161712), (136, 8226070), (170, 6580856), (272, 4113035), (340, 3290428), (680, 1645214), (1360, 822607)]