85828580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 115352092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 47, 68, 82, 85, 94, 131, 164, 170, 188, 205, 235, 262, 340, 410, 470, 524, 655, 697, 799, 820, 940, 1310, 1394, 1598, 1927, 2227, 2620, 2788, 3196, 3485, 3854, 3995, 4454, 5371, 6157, 6970, 7708, 7990, 8908, 9635, 10742, 11135, 12314, 13940, 15980, 19270, 21484, 22270, 24628, 26855, 30785, 32759, 38540, 44540, 53710, 61570, 65518, 91307, 104669, 107420, 123140, 131036, 163795, 182614, 209338, 252437, 327590, 365228, 418676, 456535, 504874, 523345, 655180, 913070, 1009748, 1046690, 1262185, 1826140, 2093380, 2524370, 4291429, 5048740, 8582858, 17165716, 21457145, 42914290, 85828580]

約数ペア:

[(1, 85828580), (2, 42914290), (4, 21457145), (5, 17165716), (10, 8582858), (17, 5048740), (20, 4291429), (34, 2524370), (41, 2093380), (47, 1826140), (68, 1262185), (82, 1046690), (85, 1009748), (94, 913070), (131, 655180), (164, 523345), (170, 504874), (188, 456535), (205, 418676), (235, 365228), (262, 327590), (340, 252437), (410, 209338), (470, 182614), (524, 163795), (655, 131036), (697, 123140), (799, 107420), (820, 104669), (940, 91307), (1310, 65518), (1394, 61570), (1598, 53710), (1927, 44540), (2227, 38540), (2620, 32759), (2788, 30785), (3196, 26855), (3485, 24628), (3854, 22270), (3995, 21484), (4454, 19270), (5371, 15980), (6157, 13940), (6970, 12314), (7708, 11135), (7990, 10742), (8908, 9635)]