79516420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19979}}^1$

素因数の和:20187

約数の個数: 24

約数和(自身を含む): 167832000

約数和(自身を除く): 88315580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 19979, 39958, 79916, 99895, 199790, 399580, 3975821, 7951642, 15903284, 19879105, 39758210, 79516420]

約数ペア:

[(1, 79516420), (2, 39758210), (4, 19879105), (5, 15903284), (10, 7951642), (20, 3975821), (199, 399580), (398, 199790), (796, 99895), (995, 79916), (1990, 39958), (3980, 19979)]