5219920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 12320640

約数和(自身を除く): 7100720

約数列:

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

約数ペア:

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