25950210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 76640256

約数和(自身を除く): 50690046

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 23, 26, 30, 33, 39, 46, 55, 65, 66, 69, 78, 110, 115, 130, 138, 143, 165, 195, 230, 253, 263, 286, 299, 330, 345, 390, 429, 506, 526, 598, 690, 715, 759, 789, 858, 897, 1265, 1315, 1430, 1495, 1518, 1578, 1794, 2145, 2530, 2630, 2893, 2990, 3289, 3419, 3795, 3945, 4290, 4485, 5786, 6049, 6578, 6838, 7590, 7890, 8679, 8970, 9867, 10257, 12098, 14465, 16445, 17095, 17358, 18147, 19734, 20514, 28930, 30245, 32890, 34190, 36294, 37609, 43395, 49335, 51285, 60490, 66539, 75218, 78637, 86790, 90735, 98670, 102570, 112827, 133078, 157274, 181470, 188045, 199617, 225654, 235911, 332695, 376090, 393185, 399234, 471822, 564135, 665390, 786370, 865007, 998085, 1128270, 1179555, 1730014, 1996170, 2359110, 2595021, 4325035, 5190042, 8650070, 12975105, 25950210]

約数ペア:

[(1, 25950210), (2, 12975105), (3, 8650070), (5, 5190042), (6, 4325035), (10, 2595021), (11, 2359110), (13, 1996170), (15, 1730014), (22, 1179555), (23, 1128270), (26, 998085), (30, 865007), (33, 786370), (39, 665390), (46, 564135), (55, 471822), (65, 399234), (66, 393185), (69, 376090), (78, 332695), (110, 235911), (115, 225654), (130, 199617), (138, 188045), (143, 181470), (165, 157274), (195, 133078), (230, 112827), (253, 102570), (263, 98670), (286, 90735), (299, 86790), (330, 78637), (345, 75218), (390, 66539), (429, 60490), (506, 51285), (526, 49335), (598, 43395), (690, 37609), (715, 36294), (759, 34190), (789, 32890), (858, 30245), (897, 28930), (1265, 20514), (1315, 19734), (1430, 18147), (1495, 17358), (1518, 17095), (1578, 16445), (1794, 14465), (2145, 12098), (2530, 10257), (2630, 9867), (2893, 8970), (2990, 8679), (3289, 7890), (3419, 7590), (3795, 6838), (3945, 6578), (4290, 6049), (4485, 5786)]