621420160

素因数分解:

$2^7\times 5^1\times {\mathrm{970969}}^1$

素因数の和:970988

約数の個数: 32

約数和(自身を含む): 1485584100

約数和(自身を除く): 864163940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 970969, 1941938, 3883876, 4854845, 7767752, 9709690, 15535504, 19419380, 31071008, 38838760, 62142016, 77677520, 124284032, 155355040, 310710080, 621420160]

約数ペア:

[(1, 621420160), (2, 310710080), (4, 155355040), (5, 124284032), (8, 77677520), (10, 62142016), (16, 38838760), (20, 31071008), (32, 19419380), (40, 15535504), (64, 9709690), (80, 7767752), (128, 4854845), (160, 3883876), (320, 1941938), (640, 970969)]