2018039080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{2039}}^1$

素因数の和:2386

約数の個数: 64

約数和(自身を含む): 4604688000

約数和(自身を除く): 2586648920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 227, 436, 454, 545, 872, 908, 1090, 1135, 1816, 2039, 2180, 2270, 4078, 4360, 4540, 8156, 9080, 10195, 16312, 20390, 24743, 40780, 49486, 81560, 98972, 123715, 197944, 222251, 247430, 444502, 462853, 494860, 889004, 925706, 989720, 1111255, 1778008, 1851412, 2222510, 2314265, 3702824, 4445020, 4628530, 8890040, 9257060, 18514120, 50450977, 100901954, 201803908, 252254885, 403607816, 504509770, 1009019540, 2018039080]

約数ペア:

[(1, 2018039080), (2, 1009019540), (4, 504509770), (5, 403607816), (8, 252254885), (10, 201803908), (20, 100901954), (40, 50450977), (109, 18514120), (218, 9257060), (227, 8890040), (436, 4628530), (454, 4445020), (545, 3702824), (872, 2314265), (908, 2222510), (1090, 1851412), (1135, 1778008), (1816, 1111255), (2039, 989720), (2180, 925706), (2270, 889004), (4078, 494860), (4360, 462853), (4540, 444502), (8156, 247430), (9080, 222251), (10195, 197944), (16312, 123715), (20390, 98972), (24743, 81560), (40780, 49486)]