2177680

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 5124672

約数和(自身を除く): 2946992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 167, 326, 334, 652, 668, 815, 835, 1304, 1336, 1630, 1670, 2608, 2672, 3260, 3340, 6520, 6680, 13040, 13360, 27221, 54442, 108884, 136105, 217768, 272210, 435536, 544420, 1088840, 2177680]

約数ペア:

[(1, 2177680), (2, 1088840), (4, 544420), (5, 435536), (8, 272210), (10, 217768), (16, 136105), (20, 108884), (40, 54442), (80, 27221), (163, 13360), (167, 13040), (326, 6680), (334, 6520), (652, 3340), (668, 3260), (815, 2672), (835, 2608), (1304, 1670), (1336, 1630)]