2097520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 4937184

約数和(自身を除く): 2839664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 167, 314, 334, 628, 668, 785, 835, 1256, 1336, 1570, 1670, 2512, 2672, 3140, 3340, 6280, 6680, 12560, 13360, 26219, 52438, 104876, 131095, 209752, 262190, 419504, 524380, 1048760, 2097520]

約数ペア:

[(1, 2097520), (2, 1048760), (4, 524380), (5, 419504), (8, 262190), (10, 209752), (16, 131095), (20, 104876), (40, 52438), (80, 26219), (157, 13360), (167, 12560), (314, 6680), (334, 6280), (628, 3340), (668, 3140), (785, 2672), (835, 2512), (1256, 1670), (1336, 1570)]