34888948520

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1356491}}^1$

素因数の和:1357145

約数の個数: 32

約数和(自身を含む): 78622276320

約数和(自身を除く): 43733327800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 25720, 1356491, 2712982, 5425964, 6782455, 10851928, 13564910, 27129820, 54259640, 872223713, 1744447426, 3488894852, 4361118565, 6977789704, 8722237130, 17444474260, 34888948520]

約数ペア:

[(1, 34888948520), (2, 17444474260), (4, 8722237130), (5, 6977789704), (8, 4361118565), (10, 3488894852), (20, 1744447426), (40, 872223713), (643, 54259640), (1286, 27129820), (2572, 13564910), (3215, 10851928), (5144, 6782455), (6430, 5425964), (12860, 2712982), (25720, 1356491)]