98681420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{55439}}^1$

素因数の和:55537

約数の個数: 24

約数和(自身を含む): 209563200

約数和(自身を除く): 110881780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 55439, 110878, 221756, 277195, 554390, 1108780, 4934071, 9868142, 19736284, 24670355, 49340710, 98681420]

約数ペア:

[(1, 98681420), (2, 49340710), (4, 24670355), (5, 19736284), (10, 9868142), (20, 4934071), (89, 1108780), (178, 554390), (356, 277195), (445, 221756), (890, 110878), (1780, 55439)]