2519680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 6266880

約数和(自身を除く): 3747200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 310, 320, 496, 508, 620, 635, 640, 992, 1016, 1240, 1270, 1984, 2032, 2480, 2540, 3937, 3968, 4064, 4960, 5080, 7874, 8128, 9920, 10160, 15748, 16256, 19685, 19840, 20320, 31496, 39370, 40640, 62992, 78740, 81280, 125984, 157480, 251968, 314960, 503936, 629920, 1259840, 2519680]

約数ペア:

[(1, 2519680), (2, 1259840), (4, 629920), (5, 503936), (8, 314960), (10, 251968), (16, 157480), (20, 125984), (31, 81280), (32, 78740), (40, 62992), (62, 40640), (64, 39370), (80, 31496), (124, 20320), (127, 19840), (128, 19685), (155, 16256), (160, 15748), (248, 10160), (254, 9920), (310, 8128), (320, 7874), (496, 5080), (508, 4960), (620, 4064), (635, 3968), (640, 3937), (992, 2540), (1016, 2480), (1240, 2032), (1270, 1984)]