27720354020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4795909}}^1$

素因数の和:4795952

約数の個数: 36

約数和(自身を含む): 61838463540

約数和(自身を除く): 34118109520

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 4795909, 9591818, 19183636, 23979545, 47959090, 81530453, 95918180, 163060906, 326121812, 407652265, 815304530, 1386017701, 1630609060, 2772035402, 5544070804, 6930088505, 13860177010, 27720354020]

約数ペア:

[(1, 27720354020), (2, 13860177010), (4, 6930088505), (5, 5544070804), (10, 2772035402), (17, 1630609060), (20, 1386017701), (34, 815304530), (68, 407652265), (85, 326121812), (170, 163060906), (289, 95918180), (340, 81530453), (578, 47959090), (1156, 23979545), (1445, 19183636), (2890, 9591818), (5780, 4795909)]