51642140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 124540416

約数和(自身を除く): 72898276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 53, 55, 86, 103, 106, 110, 172, 206, 212, 215, 220, 265, 412, 430, 473, 515, 530, 583, 860, 946, 1030, 1060, 1133, 1166, 1892, 2060, 2266, 2279, 2332, 2365, 2915, 4429, 4532, 4558, 4730, 5459, 5665, 5830, 8858, 9116, 9460, 10918, 11330, 11395, 11660, 17716, 21836, 22145, 22660, 22790, 25069, 27295, 44290, 45580, 48719, 50138, 54590, 60049, 88580, 97438, 100276, 109180, 120098, 125345, 194876, 234737, 240196, 243595, 250690, 300245, 469474, 487190, 501380, 600490, 938948, 974380, 1173685, 1200980, 2347370, 2582107, 4694740, 5164214, 10328428, 12910535, 25821070, 51642140]

約数ペア:

[(1, 51642140), (2, 25821070), (4, 12910535), (5, 10328428), (10, 5164214), (11, 4694740), (20, 2582107), (22, 2347370), (43, 1200980), (44, 1173685), (53, 974380), (55, 938948), (86, 600490), (103, 501380), (106, 487190), (110, 469474), (172, 300245), (206, 250690), (212, 243595), (215, 240196), (220, 234737), (265, 194876), (412, 125345), (430, 120098), (473, 109180), (515, 100276), (530, 97438), (583, 88580), (860, 60049), (946, 54590), (1030, 50138), (1060, 48719), (1133, 45580), (1166, 44290), (1892, 27295), (2060, 25069), (2266, 22790), (2279, 22660), (2332, 22145), (2365, 21836), (2915, 17716), (4429, 11660), (4532, 11395), (4558, 11330), (4730, 10918), (5459, 9460), (5665, 9116), (5830, 8858)]