138301840

素因数分解:

$2^4\times 5^1\times {\mathrm{1728773}}^1$

素因数の和:1728786

約数の個数: 20

約数和(自身を含む): 321551964

約数和(自身を除く): 183250124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1728773, 3457546, 6915092, 8643865, 13830184, 17287730, 27660368, 34575460, 69150920, 138301840]

約数ペア:

[(1, 138301840), (2, 69150920), (4, 34575460), (5, 27660368), (8, 17287730), (10, 13830184), (16, 8643865), (20, 6915092), (40, 3457546), (80, 1728773)]