25245220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 72309888

約数和(自身を除く): 47064668

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 97, 110, 130, 140, 143, 154, 169, 182, 194, 220, 260, 286, 308, 338, 364, 385, 388, 455, 485, 572, 676, 679, 715, 770, 845, 910, 970, 1001, 1067, 1183, 1261, 1358, 1430, 1540, 1690, 1820, 1859, 1940, 2002, 2134, 2366, 2522, 2716, 2860, 3380, 3395, 3718, 4004, 4268, 4732, 5005, 5044, 5335, 5915, 6305, 6790, 7436, 7469, 8827, 9295, 10010, 10670, 11830, 12610, 13013, 13580, 13871, 14938, 16393, 17654, 18590, 20020, 21340, 23660, 25220, 26026, 27742, 29876, 32786, 35308, 37180, 37345, 44135, 52052, 55484, 65065, 65572, 69355, 74690, 81965, 88270, 97097, 114751, 130130, 138710, 149380, 163930, 176540, 180323, 194194, 229502, 260260, 277420, 327860, 360646, 388388, 459004, 485485, 573755, 721292, 901615, 970970, 1147510, 1262261, 1803230, 1941940, 2295020, 2524522, 3606460, 5049044, 6311305, 12622610, 25245220]

約数ペア:

[(1, 25245220), (2, 12622610), (4, 6311305), (5, 5049044), (7, 3606460), (10, 2524522), (11, 2295020), (13, 1941940), (14, 1803230), (20, 1262261), (22, 1147510), (26, 970970), (28, 901615), (35, 721292), (44, 573755), (52, 485485), (55, 459004), (65, 388388), (70, 360646), (77, 327860), (91, 277420), (97, 260260), (110, 229502), (130, 194194), (140, 180323), (143, 176540), (154, 163930), (169, 149380), (182, 138710), (194, 130130), (220, 114751), (260, 97097), (286, 88270), (308, 81965), (338, 74690), (364, 69355), (385, 65572), (388, 65065), (455, 55484), (485, 52052), (572, 44135), (676, 37345), (679, 37180), (715, 35308), (770, 32786), (845, 29876), (910, 27742), (970, 26026), (1001, 25220), (1067, 23660), (1183, 21340), (1261, 20020), (1358, 18590), (1430, 17654), (1540, 16393), (1690, 14938), (1820, 13871), (1859, 13580), (1940, 13013), (2002, 12610), (2134, 11830), (2366, 10670), (2522, 10010), (2716, 9295), (2860, 8827), (3380, 7469), (3395, 7436), (3718, 6790), (4004, 6305), (4268, 5915), (4732, 5335), (5005, 5044)]