28309600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3217}}^1$

素因数の和:3248

約数の個数: 72

約数和(自身を含む): 75417048

約数和(自身を除く): 47107448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 3217, 4400, 6434, 8800, 12868, 16085, 25736, 32170, 35387, 51472, 64340, 70774, 80425, 102944, 128680, 141548, 160850, 176935, 257360, 283096, 321700, 353870, 514720, 566192, 643400, 707740, 884675, 1132384, 1286800, 1415480, 1769350, 2573600, 2830960, 3538700, 5661920, 7077400, 14154800, 28309600]

約数ペア:

[(1, 28309600), (2, 14154800), (4, 7077400), (5, 5661920), (8, 3538700), (10, 2830960), (11, 2573600), (16, 1769350), (20, 1415480), (22, 1286800), (25, 1132384), (32, 884675), (40, 707740), (44, 643400), (50, 566192), (55, 514720), (80, 353870), (88, 321700), (100, 283096), (110, 257360), (160, 176935), (176, 160850), (200, 141548), (220, 128680), (275, 102944), (352, 80425), (400, 70774), (440, 64340), (550, 51472), (800, 35387), (880, 32170), (1100, 25736), (1760, 16085), (2200, 12868), (3217, 8800), (4400, 6434)]