15601840

素因数分解:

$2^4\times 5^1\times {\mathrm{195023}}^1$

素因数の和:195036

約数の個数: 20

約数和(自身を含む): 36274464

約数和(自身を除く): 20672624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195023, 390046, 780092, 975115, 1560184, 1950230, 3120368, 3900460, 7800920, 15601840]

約数ペア:

[(1, 15601840), (2, 7800920), (4, 3900460), (5, 3120368), (8, 1950230), (10, 1560184), (16, 975115), (20, 780092), (40, 390046), (80, 195023)]