25439680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 71176896

約数和(自身を除く): 45737216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 277, 280, 287, 320, 328, 410, 448, 554, 560, 574, 656, 820, 1108, 1120, 1148, 1312, 1385, 1435, 1640, 1939, 2216, 2240, 2296, 2624, 2770, 2870, 3280, 3878, 4432, 4592, 5540, 5740, 6560, 7756, 8864, 9184, 9695, 11080, 11357, 11480, 13120, 15512, 17728, 18368, 19390, 22160, 22714, 22960, 31024, 38780, 44320, 45428, 45920, 56785, 62048, 77560, 79499, 88640, 90856, 91840, 113570, 124096, 155120, 158998, 181712, 227140, 310240, 317996, 363424, 397495, 454280, 620480, 635992, 726848, 794990, 908560, 1271984, 1589980, 1817120, 2543968, 3179960, 3634240, 5087936, 6359920, 12719840, 25439680]

約数ペア:

[(1, 25439680), (2, 12719840), (4, 6359920), (5, 5087936), (7, 3634240), (8, 3179960), (10, 2543968), (14, 1817120), (16, 1589980), (20, 1271984), (28, 908560), (32, 794990), (35, 726848), (40, 635992), (41, 620480), (56, 454280), (64, 397495), (70, 363424), (80, 317996), (82, 310240), (112, 227140), (140, 181712), (160, 158998), (164, 155120), (205, 124096), (224, 113570), (277, 91840), (280, 90856), (287, 88640), (320, 79499), (328, 77560), (410, 62048), (448, 56785), (554, 45920), (560, 45428), (574, 44320), (656, 38780), (820, 31024), (1108, 22960), (1120, 22714), (1148, 22160), (1312, 19390), (1385, 18368), (1435, 17728), (1640, 15512), (1939, 13120), (2216, 11480), (2240, 11357), (2296, 11080), (2624, 9695), (2770, 9184), (2870, 8864), (3280, 7756), (3878, 6560), (4432, 5740), (4592, 5540)]