6420460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3607}}^1$

素因数の和:3705

約数の個数: 24

約数和(自身を含む): 13638240

約数和(自身を除く): 7217780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3607, 7214, 14428, 18035, 36070, 72140, 321023, 642046, 1284092, 1605115, 3210230, 6420460]

約数ペア:

[(1, 6420460), (2, 3210230), (4, 1605115), (5, 1284092), (10, 642046), (20, 321023), (89, 72140), (178, 36070), (356, 18035), (445, 14428), (890, 7214), (1780, 3607)]