87822920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35993}}^1$

素因数の和:36065

約数の個数: 32

約数和(自身を含む): 200846520

約数和(自身を除く): 113023600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 35993, 71986, 143972, 179965, 287944, 359930, 719860, 1439720, 2195573, 4391146, 8782292, 10977865, 17564584, 21955730, 43911460, 87822920]

約数ペア:

[(1, 87822920), (2, 43911460), (4, 21955730), (5, 17564584), (8, 10977865), (10, 8782292), (20, 4391146), (40, 2195573), (61, 1439720), (122, 719860), (244, 359930), (305, 287944), (488, 179965), (610, 143972), (1220, 71986), (2440, 35993)]