4020341360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{71081}}^1$

素因数の和:71202

約数の個数: 80

約数和(自身を含む): 10788541632

約数和(自身を除く): 6768200272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 5656, 7070, 8080, 11312, 14140, 28280, 56560, 71081, 142162, 284324, 355405, 497567, 568648, 710810, 995134, 1137296, 1421620, 1990268, 2487835, 2843240, 3980536, 4975670, 5686480, 7179181, 7961072, 9951340, 14358362, 19902680, 28716724, 35895905, 39805360, 50254267, 57433448, 71791810, 100508534, 114866896, 143583620, 201017068, 251271335, 287167240, 402034136, 502542670, 574334480, 804068272, 1005085340, 2010170680, 4020341360]

約数ペア:

[(1, 4020341360), (2, 2010170680), (4, 1005085340), (5, 804068272), (7, 574334480), (8, 502542670), (10, 402034136), (14, 287167240), (16, 251271335), (20, 201017068), (28, 143583620), (35, 114866896), (40, 100508534), (56, 71791810), (70, 57433448), (80, 50254267), (101, 39805360), (112, 35895905), (140, 28716724), (202, 19902680), (280, 14358362), (404, 9951340), (505, 7961072), (560, 7179181), (707, 5686480), (808, 4975670), (1010, 3980536), (1414, 2843240), (1616, 2487835), (2020, 1990268), (2828, 1421620), (3535, 1137296), (4040, 995134), (5656, 710810), (7070, 568648), (8080, 497567), (11312, 355405), (14140, 284324), (28280, 142162), (56560, 71081)]