87041020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^2$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 217702296

約数和(自身を除く): 130661276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 148, 170, 185, 187, 220, 289, 340, 370, 374, 407, 578, 629, 740, 748, 814, 935, 1156, 1258, 1369, 1445, 1628, 1870, 2035, 2516, 2738, 2890, 3145, 3179, 3740, 4070, 5476, 5780, 6290, 6358, 6845, 6919, 8140, 10693, 12580, 12716, 13690, 13838, 15059, 15895, 21386, 23273, 27380, 27676, 30118, 31790, 34595, 42772, 46546, 53465, 60236, 63580, 69190, 75295, 93092, 106930, 116365, 117623, 138380, 150590, 213860, 232730, 235246, 256003, 301180, 395641, 465460, 470492, 512006, 588115, 791282, 1024012, 1176230, 1280015, 1582564, 1978205, 2352460, 2560030, 3956410, 4352051, 5120060, 7912820, 8704102, 17408204, 21760255, 43520510, 87041020]

約数ペア:

[(1, 87041020), (2, 43520510), (4, 21760255), (5, 17408204), (10, 8704102), (11, 7912820), (17, 5120060), (20, 4352051), (22, 3956410), (34, 2560030), (37, 2352460), (44, 1978205), (55, 1582564), (68, 1280015), (74, 1176230), (85, 1024012), (110, 791282), (148, 588115), (170, 512006), (185, 470492), (187, 465460), (220, 395641), (289, 301180), (340, 256003), (370, 235246), (374, 232730), (407, 213860), (578, 150590), (629, 138380), (740, 117623), (748, 116365), (814, 106930), (935, 93092), (1156, 75295), (1258, 69190), (1369, 63580), (1445, 60236), (1628, 53465), (1870, 46546), (2035, 42772), (2516, 34595), (2738, 31790), (2890, 30118), (3145, 27676), (3179, 27380), (3740, 23273), (4070, 21386), (5476, 15895), (5780, 15059), (6290, 13838), (6358, 13690), (6845, 12716), (6919, 12580), (8140, 10693)]