43920460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20147}}^1$

素因数の和:20265

約数の個数: 24

約数和(自身を含む): 93083760

約数和(自身を除く): 49163300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 20147, 40294, 80588, 100735, 201470, 402940, 2196023, 4392046, 8784092, 10980115, 21960230, 43920460]

約数ペア:

[(1, 43920460), (2, 21960230), (4, 10980115), (5, 8784092), (10, 4392046), (20, 2196023), (109, 402940), (218, 201470), (436, 100735), (545, 80588), (1090, 40294), (2180, 20147)]