80280664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{821}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 159796800

約数和(自身を除く): 79516136

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 719, 821, 1438, 1642, 2876, 3284, 5752, 6568, 12223, 13957, 24446, 27914, 48892, 55828, 97784, 111656, 590299, 1180598, 2361196, 4722392, 10035083, 20070166, 40140332, 80280664]

約数ペア:

[(1, 80280664), (2, 40140332), (4, 20070166), (8, 10035083), (17, 4722392), (34, 2361196), (68, 1180598), (136, 590299), (719, 111656), (821, 97784), (1438, 55828), (1642, 48892), (2876, 27914), (3284, 24446), (5752, 13957), (6568, 12223)]