28406800

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1576

約数の個数: 60

約数和(自身を含む): 69745536

約数和(自身を除く): 41338736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 1175, 1511, 1880, 2350, 3022, 3760, 4700, 6044, 7555, 9400, 12088, 15110, 18800, 24176, 30220, 37775, 60440, 71017, 75550, 120880, 142034, 151100, 284068, 302200, 355085, 568136, 604400, 710170, 1136272, 1420340, 1775425, 2840680, 3550850, 5681360, 7101700, 14203400, 28406800]

約数ペア:

[(1, 28406800), (2, 14203400), (4, 7101700), (5, 5681360), (8, 3550850), (10, 2840680), (16, 1775425), (20, 1420340), (25, 1136272), (40, 710170), (47, 604400), (50, 568136), (80, 355085), (94, 302200), (100, 284068), (188, 151100), (200, 142034), (235, 120880), (376, 75550), (400, 71017), (470, 60440), (752, 37775), (940, 30220), (1175, 24176), (1511, 18800), (1880, 15110), (2350, 12088), (3022, 9400), (3760, 7555), (4700, 6044)]