8521840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2879}}^1$

素因数の和:2929

約数の個数: 40

約数和(自身を含む): 20355840

約数和(自身を除く): 11834000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2879, 2960, 5758, 11516, 14395, 23032, 28790, 46064, 57580, 106523, 115160, 213046, 230320, 426092, 532615, 852184, 1065230, 1704368, 2130460, 4260920, 8521840]

約数ペア:

[(1, 8521840), (2, 4260920), (4, 2130460), (5, 1704368), (8, 1065230), (10, 852184), (16, 532615), (20, 426092), (37, 230320), (40, 213046), (74, 115160), (80, 106523), (148, 57580), (185, 46064), (296, 28790), (370, 23032), (592, 14395), (740, 11516), (1480, 5758), (2879, 2960)]