1329040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 3180600

約数和(自身を除く): 1851560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 449, 592, 740, 898, 1480, 1796, 2245, 2960, 3592, 4490, 7184, 8980, 16613, 17960, 33226, 35920, 66452, 83065, 132904, 166130, 265808, 332260, 664520, 1329040]

約数ペア:

[(1, 1329040), (2, 664520), (4, 332260), (5, 265808), (8, 166130), (10, 132904), (16, 83065), (20, 66452), (37, 35920), (40, 33226), (74, 17960), (80, 16613), (148, 8980), (185, 7184), (296, 4490), (370, 3592), (449, 2960), (592, 2245), (740, 1796), (898, 1480)]