80490440

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5483}}^1$

素因数の和:5861

約数の個数: 32

約数和(自身を含む): 181630080

約数和(自身を除く): 101139640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 5483, 7340, 10966, 14680, 21932, 27415, 43864, 54830, 109660, 219320, 2012261, 4024522, 8049044, 10061305, 16098088, 20122610, 40245220, 80490440]

約数ペア:

[(1, 80490440), (2, 40245220), (4, 20122610), (5, 16098088), (8, 10061305), (10, 8049044), (20, 4024522), (40, 2012261), (367, 219320), (734, 109660), (1468, 54830), (1835, 43864), (2936, 27415), (3670, 21932), (5483, 14680), (7340, 10966)]