54282020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12281}}^1$

素因数の和:12320

約数の個数: 48

約数和(自身を含む): 129992688

約数和(自身を除く): 75710668

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12281, 24562, 49124, 61405, 122810, 159653, 208777, 245620, 319306, 417554, 638612, 798265, 835108, 1043885, 1596530, 2087770, 2714101, 3193060, 4175540, 5428202, 10856404, 13570505, 27141010, 54282020]

約数ペア:

[(1, 54282020), (2, 27141010), (4, 13570505), (5, 10856404), (10, 5428202), (13, 4175540), (17, 3193060), (20, 2714101), (26, 2087770), (34, 1596530), (52, 1043885), (65, 835108), (68, 798265), (85, 638612), (130, 417554), (170, 319306), (221, 245620), (260, 208777), (340, 159653), (442, 122810), (884, 61405), (1105, 49124), (2210, 24562), (4420, 12281)]