21900632560

素因数分解:

$2^4\times 5^1\times {\mathrm{273757907}}^1$

素因数の和:273757920

約数の個数: 20

約数和(自身を含む): 50918970888

約数和(自身を除く): 29018338328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 273757907, 547515814, 1095031628, 1368789535, 2190063256, 2737579070, 4380126512, 5475158140, 10950316280, 21900632560]

約数ペア:

[(1, 21900632560), (2, 10950316280), (4, 5475158140), (5, 4380126512), (8, 2737579070), (10, 2190063256), (16, 1368789535), (20, 1095031628), (40, 547515814), (80, 273757907)]