8042020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 21288960

約数和(自身を除く): 13246940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 109, 119, 124, 140, 155, 170, 217, 218, 238, 310, 340, 434, 436, 476, 527, 545, 595, 620, 763, 868, 1054, 1085, 1090, 1190, 1526, 1853, 2108, 2170, 2180, 2380, 2635, 3052, 3379, 3689, 3706, 3815, 4340, 5270, 6758, 7378, 7412, 7630, 9265, 10540, 12971, 13516, 14756, 15260, 16895, 18445, 18530, 23653, 25942, 33790, 36890, 37060, 47306, 51884, 57443, 64855, 67580, 73780, 94612, 114886, 118265, 129710, 229772, 236530, 259420, 287215, 402101, 473060, 574430, 804202, 1148860, 1608404, 2010505, 4021010, 8042020]

約数ペア:

[(1, 8042020), (2, 4021010), (4, 2010505), (5, 1608404), (7, 1148860), (10, 804202), (14, 574430), (17, 473060), (20, 402101), (28, 287215), (31, 259420), (34, 236530), (35, 229772), (62, 129710), (68, 118265), (70, 114886), (85, 94612), (109, 73780), (119, 67580), (124, 64855), (140, 57443), (155, 51884), (170, 47306), (217, 37060), (218, 36890), (238, 33790), (310, 25942), (340, 23653), (434, 18530), (436, 18445), (476, 16895), (527, 15260), (545, 14756), (595, 13516), (620, 12971), (763, 10540), (868, 9265), (1054, 7630), (1085, 7412), (1090, 7378), (1190, 6758), (1526, 5270), (1853, 4340), (2108, 3815), (2170, 3706), (2180, 3689), (2380, 3379), (2635, 3052)]