2439680

素因数分解:

$2^9\times 5^1\times {\mathrm{953}}^1$

素因数の和:976

約数の個数: 40

約数和(自身を含む): 5855652

約数和(自身を除く): 3415972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 953, 1280, 1906, 2560, 3812, 4765, 7624, 9530, 15248, 19060, 30496, 38120, 60992, 76240, 121984, 152480, 243968, 304960, 487936, 609920, 1219840, 2439680]

約数ペア:

[(1, 2439680), (2, 1219840), (4, 609920), (5, 487936), (8, 304960), (10, 243968), (16, 152480), (20, 121984), (32, 76240), (40, 60992), (64, 38120), (80, 30496), (128, 19060), (160, 15248), (256, 9530), (320, 7624), (512, 4765), (640, 3812), (953, 2560), (1280, 1906)]