25802980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2333}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 62737920

約数和(自身を除く): 36934940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2333, 2765, 4666, 5530, 9332, 11060, 11665, 16331, 23330, 32662, 46660, 65324, 81655, 163310, 184307, 326620, 368614, 737228, 921535, 1290149, 1843070, 2580298, 3686140, 5160596, 6450745, 12901490, 25802980]

約数ペア:

[(1, 25802980), (2, 12901490), (4, 6450745), (5, 5160596), (7, 3686140), (10, 2580298), (14, 1843070), (20, 1290149), (28, 921535), (35, 737228), (70, 368614), (79, 326620), (140, 184307), (158, 163310), (316, 81655), (395, 65324), (553, 46660), (790, 32662), (1106, 23330), (1580, 16331), (2212, 11665), (2333, 11060), (2765, 9332), (4666, 5530)]