4321840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 10177920

約数和(自身を除く): 5856080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 607, 712, 890, 1214, 1424, 1780, 2428, 3035, 3560, 4856, 6070, 7120, 9712, 12140, 24280, 48560, 54023, 108046, 216092, 270115, 432184, 540230, 864368, 1080460, 2160920, 4321840]

約数ペア:

[(1, 4321840), (2, 2160920), (4, 1080460), (5, 864368), (8, 540230), (10, 432184), (16, 270115), (20, 216092), (40, 108046), (80, 54023), (89, 48560), (178, 24280), (356, 12140), (445, 9712), (607, 7120), (712, 6070), (890, 4856), (1214, 3560), (1424, 3035), (1780, 2428)]