28142600

素因数分解:

$2^3\times 5^2\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 65829120

約数和(自身を除く): 37686520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 223, 446, 631, 892, 1115, 1262, 1784, 2230, 2524, 3155, 4460, 5048, 5575, 6310, 8920, 11150, 12620, 15775, 22300, 25240, 31550, 44600, 63100, 126200, 140713, 281426, 562852, 703565, 1125704, 1407130, 2814260, 3517825, 5628520, 7035650, 14071300, 28142600]

約数ペア:

[(1, 28142600), (2, 14071300), (4, 7035650), (5, 5628520), (8, 3517825), (10, 2814260), (20, 1407130), (25, 1125704), (40, 703565), (50, 562852), (100, 281426), (200, 140713), (223, 126200), (446, 63100), (631, 44600), (892, 31550), (1115, 25240), (1262, 22300), (1784, 15775), (2230, 12620), (2524, 11150), (3155, 8920), (4460, 6310), (5048, 5575)]