55484420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89491}}^1$

素因数の和:89531

約数の個数: 24

約数和(自身を含む): 120277248

約数和(自身を除く): 64792828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 89491, 178982, 357964, 447455, 894910, 1789820, 2774221, 5548442, 11096884, 13871105, 27742210, 55484420]

約数ペア:

[(1, 55484420), (2, 27742210), (4, 13871105), (5, 11096884), (10, 5548442), (20, 2774221), (31, 1789820), (62, 894910), (124, 447455), (155, 357964), (310, 178982), (620, 89491)]