51796940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 123875136

約数和(自身を除く): 72078196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 43, 52, 65, 82, 86, 113, 130, 164, 172, 205, 215, 226, 260, 410, 430, 452, 533, 559, 565, 820, 860, 1066, 1118, 1130, 1469, 1763, 2132, 2236, 2260, 2665, 2795, 2938, 3526, 4633, 4859, 5330, 5590, 5876, 7052, 7345, 8815, 9266, 9718, 10660, 11180, 14690, 17630, 18532, 19436, 22919, 23165, 24295, 29380, 35260, 45838, 46330, 48590, 60229, 63167, 91676, 92660, 97180, 114595, 120458, 126334, 199219, 229190, 240916, 252668, 301145, 315835, 398438, 458380, 602290, 631670, 796876, 996095, 1204580, 1263340, 1992190, 2589847, 3984380, 5179694, 10359388, 12949235, 25898470, 51796940]

約数ペア:

[(1, 51796940), (2, 25898470), (4, 12949235), (5, 10359388), (10, 5179694), (13, 3984380), (20, 2589847), (26, 1992190), (41, 1263340), (43, 1204580), (52, 996095), (65, 796876), (82, 631670), (86, 602290), (113, 458380), (130, 398438), (164, 315835), (172, 301145), (205, 252668), (215, 240916), (226, 229190), (260, 199219), (410, 126334), (430, 120458), (452, 114595), (533, 97180), (559, 92660), (565, 91676), (820, 63167), (860, 60229), (1066, 48590), (1118, 46330), (1130, 45838), (1469, 35260), (1763, 29380), (2132, 24295), (2236, 23165), (2260, 22919), (2665, 19436), (2795, 18532), (2938, 17630), (3526, 14690), (4633, 11180), (4859, 10660), (5330, 9718), (5590, 9266), (5876, 8815), (7052, 7345)]