87220460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{44959}}^1$

素因数の和:45065

約数の個数: 24

約数和(自身を含む): 185055360

約数和(自身を除く): 97834900

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 44959, 89918, 179836, 224795, 449590, 899180, 4361023, 8722046, 17444092, 21805115, 43610230, 87220460]

約数ペア:

[(1, 87220460), (2, 43610230), (4, 21805115), (5, 17444092), (10, 8722046), (20, 4361023), (97, 899180), (194, 449590), (388, 224795), (485, 179836), (970, 89918), (1940, 44959)]