8409660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20023}}^1$

素因数の和:20042

約数の個数: 48

約数和(自身を含む): 26912256

約数和(自身を除く): 18502596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20023, 40046, 60069, 80092, 100115, 120138, 140161, 200230, 240276, 280322, 300345, 400460, 420483, 560644, 600690, 700805, 840966, 1201380, 1401610, 1681932, 2102415, 2803220, 4204830, 8409660]

約数ペア:

[(1, 8409660), (2, 4204830), (3, 2803220), (4, 2102415), (5, 1681932), (6, 1401610), (7, 1201380), (10, 840966), (12, 700805), (14, 600690), (15, 560644), (20, 420483), (21, 400460), (28, 300345), (30, 280322), (35, 240276), (42, 200230), (60, 140161), (70, 120138), (84, 100115), (105, 80092), (140, 60069), (210, 40046), (420, 20023)]