12001840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 28310688

約数和(自身を除く): 16308848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2113, 2840, 4226, 5680, 8452, 10565, 16904, 21130, 33808, 42260, 84520, 150023, 169040, 300046, 600092, 750115, 1200184, 1500230, 2400368, 3000460, 6000920, 12001840]

約数ペア:

[(1, 12001840), (2, 6000920), (4, 3000460), (5, 2400368), (8, 1500230), (10, 1200184), (16, 750115), (20, 600092), (40, 300046), (71, 169040), (80, 150023), (142, 84520), (284, 42260), (355, 33808), (568, 21130), (710, 16904), (1136, 10565), (1420, 8452), (2113, 5680), (2840, 4226)]