25196800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 108

約数和(自身を含む): 64884736

約数和(自身を除く): 39687936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 128, 155, 160, 200, 248, 254, 256, 310, 320, 400, 496, 508, 620, 635, 640, 775, 800, 992, 1016, 1240, 1270, 1280, 1550, 1600, 1984, 2032, 2480, 2540, 3100, 3175, 3200, 3937, 3968, 4064, 4960, 5080, 6200, 6350, 6400, 7874, 7936, 8128, 9920, 10160, 12400, 12700, 15748, 16256, 19685, 19840, 20320, 24800, 25400, 31496, 32512, 39370, 39680, 40640, 49600, 50800, 62992, 78740, 81280, 98425, 99200, 101600, 125984, 157480, 162560, 196850, 198400, 203200, 251968, 314960, 393700, 406400, 503936, 629920, 787400, 812800, 1007872, 1259840, 1574800, 2519680, 3149600, 5039360, 6299200, 12598400, 25196800]

約数ペア:

[(1, 25196800), (2, 12598400), (4, 6299200), (5, 5039360), (8, 3149600), (10, 2519680), (16, 1574800), (20, 1259840), (25, 1007872), (31, 812800), (32, 787400), (40, 629920), (50, 503936), (62, 406400), (64, 393700), (80, 314960), (100, 251968), (124, 203200), (127, 198400), (128, 196850), (155, 162560), (160, 157480), (200, 125984), (248, 101600), (254, 99200), (256, 98425), (310, 81280), (320, 78740), (400, 62992), (496, 50800), (508, 49600), (620, 40640), (635, 39680), (640, 39370), (775, 32512), (800, 31496), (992, 25400), (1016, 24800), (1240, 20320), (1270, 19840), (1280, 19685), (1550, 16256), (1600, 15748), (1984, 12700), (2032, 12400), (2480, 10160), (2540, 9920), (3100, 8128), (3175, 7936), (3200, 7874), (3937, 6400), (3968, 6350), (4064, 6200), (4960, 5080)]