79294760

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3083}}^1$

素因数の和:3737

約数の個数: 32

約数和(自身を含む): 178748640

約数和(自身を除く): 99453880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3083, 3215, 5144, 6166, 6430, 12332, 12860, 15415, 24664, 25720, 30830, 61660, 123320, 1982369, 3964738, 7929476, 9911845, 15858952, 19823690, 39647380, 79294760]

約数ペア:

[(1, 79294760), (2, 39647380), (4, 19823690), (5, 15858952), (8, 9911845), (10, 7929476), (20, 3964738), (40, 1982369), (643, 123320), (1286, 61660), (2572, 30830), (3083, 25720), (3215, 24664), (5144, 15415), (6166, 12860), (6430, 12332)]