28358240

素因数分解:

$2^5\times 5^1\times {\mathrm{177239}}^1$

素因数の和:177254

約数の個数: 24

約数和(自身を含む): 66996720

約数和(自身を除く): 38638480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177239, 354478, 708956, 886195, 1417912, 1772390, 2835824, 3544780, 5671648, 7089560, 14179120, 28358240]

約数ペア:

[(1, 28358240), (2, 14179120), (4, 7089560), (5, 5671648), (8, 3544780), (10, 2835824), (16, 1772390), (20, 1417912), (32, 886195), (40, 708956), (80, 354478), (160, 177239)]