26781920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15217}}^1$

素因数の和:15243

約数の個数: 48

約数和(自身を含む): 69028848

約数和(自身を除く): 42246928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15217, 30434, 60868, 76085, 121736, 152170, 167387, 243472, 304340, 334774, 486944, 608680, 669548, 836935, 1217360, 1339096, 1673870, 2434720, 2678192, 3347740, 5356384, 6695480, 13390960, 26781920]

約数ペア:

[(1, 26781920), (2, 13390960), (4, 6695480), (5, 5356384), (8, 3347740), (10, 2678192), (11, 2434720), (16, 1673870), (20, 1339096), (22, 1217360), (32, 836935), (40, 669548), (44, 608680), (55, 486944), (80, 334774), (88, 304340), (110, 243472), (160, 167387), (176, 152170), (220, 121736), (352, 76085), (440, 60868), (880, 30434), (1760, 15217)]