5438360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 12398400

約数和(自身を除く): 6960040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 1721, 3160, 3442, 6884, 8605, 13768, 17210, 34420, 68840, 135959, 271918, 543836, 679795, 1087672, 1359590, 2719180, 5438360]

約数ペア:

[(1, 5438360), (2, 2719180), (4, 1359590), (5, 1087672), (8, 679795), (10, 543836), (20, 271918), (40, 135959), (79, 68840), (158, 34420), (316, 17210), (395, 13768), (632, 8605), (790, 6884), (1580, 3442), (1721, 3160)]