13071380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 31825920

約数和(自身を除く): 18754540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1279, 1460, 2044, 2555, 2558, 5110, 5116, 6395, 8953, 10220, 12790, 17906, 25580, 35812, 44765, 89530, 93367, 179060, 186734, 373468, 466835, 653569, 933670, 1307138, 1867340, 2614276, 3267845, 6535690, 13071380]

約数ペア:

[(1, 13071380), (2, 6535690), (4, 3267845), (5, 2614276), (7, 1867340), (10, 1307138), (14, 933670), (20, 653569), (28, 466835), (35, 373468), (70, 186734), (73, 179060), (140, 93367), (146, 89530), (292, 44765), (365, 35812), (511, 25580), (730, 17906), (1022, 12790), (1279, 10220), (1460, 8953), (2044, 6395), (2555, 5116), (2558, 5110)]