28202960

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2111}}^1$

素因数の和:2291

約数の個数: 40

約数和(自身を含む): 65995776

約数和(自身を除く): 37792816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2111, 2672, 3340, 4222, 6680, 8444, 10555, 13360, 16888, 21110, 33776, 42220, 84440, 168880, 352537, 705074, 1410148, 1762685, 2820296, 3525370, 5640592, 7050740, 14101480, 28202960]

約数ペア:

[(1, 28202960), (2, 14101480), (4, 7050740), (5, 5640592), (8, 3525370), (10, 2820296), (16, 1762685), (20, 1410148), (40, 705074), (80, 352537), (167, 168880), (334, 84440), (668, 42220), (835, 33776), (1336, 21110), (1670, 16888), (2111, 13360), (2672, 10555), (3340, 8444), (4222, 6680)]