25396540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 36837380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 97, 106, 130, 190, 194, 212, 247, 260, 265, 380, 388, 485, 494, 530, 689, 970, 988, 1007, 1060, 1235, 1261, 1378, 1843, 1940, 2014, 2470, 2522, 2756, 3445, 3686, 4028, 4940, 5035, 5044, 5141, 6305, 6890, 7372, 9215, 10070, 10282, 12610, 13091, 13780, 18430, 20140, 20564, 23959, 25220, 25705, 26182, 36860, 47918, 51410, 52364, 65455, 66833, 95836, 97679, 102820, 119795, 130910, 133666, 195358, 239590, 261820, 267332, 334165, 390716, 479180, 488395, 668330, 976790, 1269827, 1336660, 1953580, 2539654, 5079308, 6349135, 12698270, 25396540]

約数ペア:

[(1, 25396540), (2, 12698270), (4, 6349135), (5, 5079308), (10, 2539654), (13, 1953580), (19, 1336660), (20, 1269827), (26, 976790), (38, 668330), (52, 488395), (53, 479180), (65, 390716), (76, 334165), (95, 267332), (97, 261820), (106, 239590), (130, 195358), (190, 133666), (194, 130910), (212, 119795), (247, 102820), (260, 97679), (265, 95836), (380, 66833), (388, 65455), (485, 52364), (494, 51410), (530, 47918), (689, 36860), (970, 26182), (988, 25705), (1007, 25220), (1060, 23959), (1235, 20564), (1261, 20140), (1378, 18430), (1843, 13780), (1940, 13091), (2014, 12610), (2470, 10282), (2522, 10070), (2756, 9215), (3445, 7372), (3686, 6890), (4028, 6305), (4940, 5141), (5035, 5044)]