2080956040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{732731}}^1$

素因数の和:732813

約数の個数: 32

約数和(自身を含む): 4748103360

約数和(自身を除く): 2667147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 732731, 1465462, 2930924, 3663655, 5861848, 7327310, 14654620, 29309240, 52023901, 104047802, 208095604, 260119505, 416191208, 520239010, 1040478020, 2080956040]

約数ペア:

[(1, 2080956040), (2, 1040478020), (4, 520239010), (5, 416191208), (8, 260119505), (10, 208095604), (20, 104047802), (40, 52023901), (71, 29309240), (142, 14654620), (284, 7327310), (355, 5861848), (568, 3663655), (710, 2930924), (1420, 1465462), (2840, 732731)]