84000920

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1543}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 189263520

約数和(自身を除く): 105262600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 1543, 2722, 3086, 5444, 6172, 6805, 7715, 10888, 12344, 13610, 15430, 27220, 30860, 54440, 61720, 2100023, 4200046, 8400092, 10500115, 16800184, 21000230, 42000460, 84000920]

約数ペア:

[(1, 84000920), (2, 42000460), (4, 21000230), (5, 16800184), (8, 10500115), (10, 8400092), (20, 4200046), (40, 2100023), (1361, 61720), (1543, 54440), (2722, 30860), (3086, 27220), (5444, 15430), (6172, 13610), (6805, 12344), (7715, 10888)]