9914420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15991}}^1$

素因数の和:16031

約数の個数: 24

約数和(自身を含む): 21493248

約数和(自身を除く): 11578828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15991, 31982, 63964, 79955, 159910, 319820, 495721, 991442, 1982884, 2478605, 4957210, 9914420]

約数ペア:

[(1, 9914420), (2, 4957210), (4, 2478605), (5, 1982884), (10, 991442), (20, 495721), (31, 319820), (62, 159910), (124, 79955), (155, 63964), (310, 31982), (620, 15991)]