25747980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 75694080

約数和(自身を除く): 49946100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 109, 124, 127, 155, 186, 218, 254, 310, 327, 372, 381, 436, 465, 508, 545, 620, 635, 654, 762, 930, 1090, 1270, 1308, 1524, 1635, 1860, 1905, 2180, 2540, 3270, 3379, 3810, 3937, 6540, 6758, 7620, 7874, 10137, 11811, 13516, 13843, 15748, 16895, 19685, 20274, 23622, 27686, 33790, 39370, 40548, 41529, 47244, 50685, 55372, 59055, 67580, 69215, 78740, 83058, 101370, 118110, 138430, 166116, 202740, 207645, 236220, 276860, 415290, 429133, 830580, 858266, 1287399, 1716532, 2145665, 2574798, 4291330, 5149596, 6436995, 8582660, 12873990, 25747980]

約数ペア:

[(1, 25747980), (2, 12873990), (3, 8582660), (4, 6436995), (5, 5149596), (6, 4291330), (10, 2574798), (12, 2145665), (15, 1716532), (20, 1287399), (30, 858266), (31, 830580), (60, 429133), (62, 415290), (93, 276860), (109, 236220), (124, 207645), (127, 202740), (155, 166116), (186, 138430), (218, 118110), (254, 101370), (310, 83058), (327, 78740), (372, 69215), (381, 67580), (436, 59055), (465, 55372), (508, 50685), (545, 47244), (620, 41529), (635, 40548), (654, 39370), (762, 33790), (930, 27686), (1090, 23622), (1270, 20274), (1308, 19685), (1524, 16895), (1635, 15748), (1860, 13843), (1905, 13516), (2180, 11811), (2540, 10137), (3270, 7874), (3379, 7620), (3810, 6758), (3937, 6540)]