11927720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 31449600

約数和(自身を除く): 19521880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1039, 1148, 1435, 1640, 2078, 2296, 2870, 4156, 5195, 5740, 7273, 8312, 10390, 11480, 14546, 20780, 29092, 36365, 41560, 42599, 58184, 72730, 85198, 145460, 170396, 212995, 290920, 298193, 340792, 425990, 596386, 851980, 1192772, 1490965, 1703960, 2385544, 2981930, 5963860, 11927720]

約数ペア:

[(1, 11927720), (2, 5963860), (4, 2981930), (5, 2385544), (7, 1703960), (8, 1490965), (10, 1192772), (14, 851980), (20, 596386), (28, 425990), (35, 340792), (40, 298193), (41, 290920), (56, 212995), (70, 170396), (82, 145460), (140, 85198), (164, 72730), (205, 58184), (280, 42599), (287, 41560), (328, 36365), (410, 29092), (574, 20780), (820, 14546), (1039, 11480), (1148, 10390), (1435, 8312), (1640, 7273), (2078, 5740), (2296, 5195), (2870, 4156)]