2116730920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{380707}}^1$

素因数の和:380857

約数の個数: 32

約数和(自身を含む): 4796920800

約数和(自身を除く): 2680189880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 380707, 761414, 1522828, 1903535, 3045656, 3807070, 7614140, 15228280, 52918273, 105836546, 211673092, 264591365, 423346184, 529182730, 1058365460, 2116730920]

約数ペア:

[(1, 2116730920), (2, 1058365460), (4, 529182730), (5, 423346184), (8, 264591365), (10, 211673092), (20, 105836546), (40, 52918273), (139, 15228280), (278, 7614140), (556, 3807070), (695, 3045656), (1112, 1903535), (1390, 1522828), (2780, 761414), (5560, 380707)]