2051210320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{625369}}^1$

素因数の和:625423

約数の個数: 40

約数和(自身を含む): 4885390440

約数和(自身を除く): 2834180120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 625369, 1250738, 2501476, 3126845, 5002952, 6253690, 10005904, 12507380, 25014760, 25640129, 50029520, 51280258, 102560516, 128200645, 205121032, 256401290, 410242064, 512802580, 1025605160, 2051210320]

約数ペア:

[(1, 2051210320), (2, 1025605160), (4, 512802580), (5, 410242064), (8, 256401290), (10, 205121032), (16, 128200645), (20, 102560516), (40, 51280258), (41, 50029520), (80, 25640129), (82, 25014760), (164, 12507380), (205, 10005904), (328, 6253690), (410, 5002952), (656, 3126845), (820, 2501476), (1640, 1250738), (3280, 625369)]