21875600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3252

約数の個数: 60

約数和(自身を含む): 55664964

約数和(自身を除く): 33789364

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3217, 3400, 6434, 6800, 12868, 16085, 25736, 32170, 51472, 54689, 64340, 80425, 109378, 128680, 160850, 218756, 257360, 273445, 321700, 437512, 546890, 643400, 875024, 1093780, 1286800, 1367225, 2187560, 2734450, 4375120, 5468900, 10937800, 21875600]

約数ペア:

[(1, 21875600), (2, 10937800), (4, 5468900), (5, 4375120), (8, 2734450), (10, 2187560), (16, 1367225), (17, 1286800), (20, 1093780), (25, 875024), (34, 643400), (40, 546890), (50, 437512), (68, 321700), (80, 273445), (85, 257360), (100, 218756), (136, 160850), (170, 128680), (200, 109378), (272, 80425), (340, 64340), (400, 54689), (425, 51472), (680, 32170), (850, 25736), (1360, 16085), (1700, 12868), (3217, 6800), (3400, 6434)]