28719820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30553}}^1$

素因数の和:30609

約数の個数: 24

約数和(自身を含む): 61596864

約数和(自身を除く): 32877044

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 30553, 61106, 122212, 152765, 305530, 611060, 1435991, 2871982, 5743964, 7179955, 14359910, 28719820]

約数ペア:

[(1, 28719820), (2, 14359910), (4, 7179955), (5, 5743964), (10, 2871982), (20, 1435991), (47, 611060), (94, 305530), (188, 152765), (235, 122212), (470, 61106), (940, 30553)]