28558120

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2281}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 64489320

約数和(自身を除く): 35931200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2281, 2504, 3130, 4562, 6260, 9124, 11405, 12520, 18248, 22810, 45620, 91240, 713953, 1427906, 2855812, 3569765, 5711624, 7139530, 14279060, 28558120]

約数ペア:

[(1, 28558120), (2, 14279060), (4, 7139530), (5, 5711624), (8, 3569765), (10, 2855812), (20, 1427906), (40, 713953), (313, 91240), (626, 45620), (1252, 22810), (1565, 18248), (2281, 12520), (2504, 11405), (3130, 9124), (4562, 6260)]