73642820

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2011}}^1$

素因数の和:3851

約数の個数: 24

約数和(自身を含む): 154811328

約数和(自身を除く): 81168508

約数列:

[1, 2, 4, 5, 10, 20, 1831, 2011, 3662, 4022, 7324, 8044, 9155, 10055, 18310, 20110, 36620, 40220, 3682141, 7364282, 14728564, 18410705, 36821410, 73642820]

約数ペア:

[(1, 73642820), (2, 36821410), (4, 18410705), (5, 14728564), (10, 7364282), (20, 3682141), (1831, 40220), (2011, 36620), (3662, 20110), (4022, 18310), (7324, 10055), (8044, 9155)]