87600280

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12659}}^1$

素因数の和:12843

約数の個数: 32

約数和(自身を含む): 198255600

約数和(自身を除く): 110655320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12659, 25318, 50636, 63295, 101272, 126590, 253180, 506360, 2190007, 4380014, 8760028, 10950035, 17520056, 21900070, 43800140, 87600280]

約数ペア:

[(1, 87600280), (2, 43800140), (4, 21900070), (5, 17520056), (8, 10950035), (10, 8760028), (20, 4380014), (40, 2190007), (173, 506360), (346, 253180), (692, 126590), (865, 101272), (1384, 63295), (1730, 50636), (3460, 25318), (6920, 12659)]