19782560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36826720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1039, 1120, 1190, 1360, 1904, 2078, 2380, 2720, 3808, 4156, 4760, 5195, 7273, 8312, 9520, 10390, 14546, 16624, 17663, 19040, 20780, 29092, 33248, 35326, 36365, 41560, 58184, 70652, 72730, 83120, 88315, 116368, 123641, 141304, 145460, 166240, 176630, 232736, 247282, 282608, 290920, 353260, 494564, 565216, 581840, 618205, 706520, 989128, 1163680, 1236410, 1413040, 1978256, 2472820, 2826080, 3956512, 4945640, 9891280, 19782560]

約数ペア:

[(1, 19782560), (2, 9891280), (4, 4945640), (5, 3956512), (7, 2826080), (8, 2472820), (10, 1978256), (14, 1413040), (16, 1236410), (17, 1163680), (20, 989128), (28, 706520), (32, 618205), (34, 581840), (35, 565216), (40, 494564), (56, 353260), (68, 290920), (70, 282608), (80, 247282), (85, 232736), (112, 176630), (119, 166240), (136, 145460), (140, 141304), (160, 123641), (170, 116368), (224, 88315), (238, 83120), (272, 72730), (280, 70652), (340, 58184), (476, 41560), (544, 36365), (560, 35326), (595, 33248), (680, 29092), (952, 20780), (1039, 19040), (1120, 17663), (1190, 16624), (1360, 14546), (1904, 10390), (2078, 9520), (2380, 8312), (2720, 7273), (3808, 5195), (4156, 4760)]