10439840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 25038720

約数和(自身を除く): 14598880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 919, 1136, 1420, 1838, 2272, 2840, 3676, 4595, 5680, 7352, 9190, 11360, 14704, 18380, 29408, 36760, 65249, 73520, 130498, 147040, 260996, 326245, 521992, 652490, 1043984, 1304980, 2087968, 2609960, 5219920, 10439840]

約数ペア:

[(1, 10439840), (2, 5219920), (4, 2609960), (5, 2087968), (8, 1304980), (10, 1043984), (16, 652490), (20, 521992), (32, 326245), (40, 260996), (71, 147040), (80, 130498), (142, 73520), (160, 65249), (284, 36760), (355, 29408), (568, 18380), (710, 14704), (919, 11360), (1136, 9190), (1420, 7352), (1838, 5680), (2272, 4595), (2840, 3676)]