2020640

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 4867128

約数和(自身を除く): 2846488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 173, 292, 346, 365, 584, 692, 730, 865, 1168, 1384, 1460, 1730, 2336, 2768, 2920, 3460, 5536, 5840, 6920, 11680, 12629, 13840, 25258, 27680, 50516, 63145, 101032, 126290, 202064, 252580, 404128, 505160, 1010320, 2020640]

約数ペア:

[(1, 2020640), (2, 1010320), (4, 505160), (5, 404128), (8, 252580), (10, 202064), (16, 126290), (20, 101032), (32, 63145), (40, 50516), (73, 27680), (80, 25258), (146, 13840), (160, 12629), (173, 11680), (292, 6920), (346, 5840), (365, 5536), (584, 3460), (692, 2920), (730, 2768), (865, 2336), (1168, 1730), (1384, 1460)]