4639280

素因数分解:

$2^4\times 5^1\times {\mathrm{57991}}^1$

素因数の和:58004

約数の個数: 20

約数和(自身を含む): 10786512

約数和(自身を除く): 6147232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 57991, 115982, 231964, 289955, 463928, 579910, 927856, 1159820, 2319640, 4639280]

約数ペア:

[(1, 4639280), (2, 2319640), (4, 1159820), (5, 927856), (8, 579910), (10, 463928), (16, 289955), (20, 231964), (40, 115982), (80, 57991)]