89269420

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11243}}^1$

素因数の和:11649

約数の個数: 24

約数和(自身を含む): 187954704

約数和(自身を除く): 98685284

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 11243, 22486, 44972, 56215, 112430, 224860, 4463471, 8926942, 17853884, 22317355, 44634710, 89269420]

約数ペア:

[(1, 89269420), (2, 44634710), (4, 22317355), (5, 17853884), (10, 8926942), (20, 4463471), (397, 224860), (794, 112430), (1588, 56215), (1985, 44972), (3970, 22486), (7940, 11243)]