25397820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{6719}}^1$

素因数の和:6744

約数の個数: 96

約数和(自身を含む): 90316800

約数和(自身を除く): 64918980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 6719, 13438, 20157, 26876, 33595, 40314, 47033, 60471, 67190, 80628, 94066, 100785, 120942, 134380, 141099, 181413, 188132, 201570, 235165, 241884, 282198, 302355, 362826, 403140, 423297, 470330, 564396, 604710, 705495, 725652, 846594, 907065, 940660, 1209420, 1269891, 1410990, 1693188, 1814130, 2116485, 2539782, 2821980, 3628260, 4232970, 5079564, 6349455, 8465940, 12698910, 25397820]

約数ペア:

[(1, 25397820), (2, 12698910), (3, 8465940), (4, 6349455), (5, 5079564), (6, 4232970), (7, 3628260), (9, 2821980), (10, 2539782), (12, 2116485), (14, 1814130), (15, 1693188), (18, 1410990), (20, 1269891), (21, 1209420), (27, 940660), (28, 907065), (30, 846594), (35, 725652), (36, 705495), (42, 604710), (45, 564396), (54, 470330), (60, 423297), (63, 403140), (70, 362826), (84, 302355), (90, 282198), (105, 241884), (108, 235165), (126, 201570), (135, 188132), (140, 181413), (180, 141099), (189, 134380), (210, 120942), (252, 100785), (270, 94066), (315, 80628), (378, 67190), (420, 60471), (540, 47033), (630, 40314), (756, 33595), (945, 26876), (1260, 20157), (1890, 13438), (3780, 6719)]