8991280

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 21061152

約数和(自身を除く): 12069872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 673, 835, 1336, 1346, 1670, 2672, 2692, 3340, 3365, 5384, 6680, 6730, 10768, 13360, 13460, 26920, 53840, 112391, 224782, 449564, 561955, 899128, 1123910, 1798256, 2247820, 4495640, 8991280]

約数ペア:

[(1, 8991280), (2, 4495640), (4, 2247820), (5, 1798256), (8, 1123910), (10, 899128), (16, 561955), (20, 449564), (40, 224782), (80, 112391), (167, 53840), (334, 26920), (668, 13460), (673, 13360), (835, 10768), (1336, 6730), (1346, 6680), (1670, 5384), (2672, 3365), (2692, 3340)]