10400920

素因数分解:

$2^3\times 5^1\times {\mathrm{260023}}^1$

素因数の和:260034

約数の個数: 16

約数和(自身を含む): 23402160

約数和(自身を除く): 13001240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 260023, 520046, 1040092, 1300115, 2080184, 2600230, 5200460, 10400920]

約数ペア:

[(1, 10400920), (2, 5200460), (4, 2600230), (5, 2080184), (8, 1300115), (10, 1040092), (20, 520046), (40, 260023)]