25097940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19919}}^1$

素因数の和:19941

約数の個数: 72

約数和(自身を含む): 87010560

約数和(自身を除く): 61912620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 19919, 39838, 59757, 79676, 99595, 119514, 139433, 179271, 199190, 239028, 278866, 298785, 358542, 398380, 418299, 557732, 597570, 697165, 717084, 836598, 896355, 1195140, 1254897, 1394330, 1673196, 1792710, 2091495, 2509794, 2788660, 3585420, 4182990, 5019588, 6274485, 8365980, 12548970, 25097940]

約数ペア:

[(1, 25097940), (2, 12548970), (3, 8365980), (4, 6274485), (5, 5019588), (6, 4182990), (7, 3585420), (9, 2788660), (10, 2509794), (12, 2091495), (14, 1792710), (15, 1673196), (18, 1394330), (20, 1254897), (21, 1195140), (28, 896355), (30, 836598), (35, 717084), (36, 697165), (42, 597570), (45, 557732), (60, 418299), (63, 398380), (70, 358542), (84, 298785), (90, 278866), (105, 239028), (126, 199190), (140, 179271), (180, 139433), (210, 119514), (252, 99595), (315, 79676), (420, 59757), (630, 39838), (1260, 19919)]