9681080

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1399}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 21924000

約数和(自身を除く): 12242920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1399, 1730, 2798, 3460, 5596, 6920, 6995, 11192, 13990, 27980, 55960, 242027, 484054, 968108, 1210135, 1936216, 2420270, 4840540, 9681080]

約数ペア:

[(1, 9681080), (2, 4840540), (4, 2420270), (5, 1936216), (8, 1210135), (10, 968108), (20, 484054), (40, 242027), (173, 55960), (346, 27980), (692, 13990), (865, 11192), (1384, 6995), (1399, 6920), (1730, 5596), (2798, 3460)]