254179840

素因数分解:

$2^9\times 5^1\times {\mathrm{99289}}^1$

素因数の和:99312

約数の個数: 40

約数和(自身を含む): 609442020

約数和(自身を除く): 355262180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 99289, 198578, 397156, 496445, 794312, 992890, 1588624, 1985780, 3177248, 3971560, 6354496, 7943120, 12708992, 15886240, 25417984, 31772480, 50835968, 63544960, 127089920, 254179840]

約数ペア:

[(1, 254179840), (2, 127089920), (4, 63544960), (5, 50835968), (8, 31772480), (10, 25417984), (16, 15886240), (20, 12708992), (32, 7943120), (40, 6354496), (64, 3971560), (80, 3177248), (128, 1985780), (160, 1588624), (256, 992890), (320, 794312), (512, 496445), (640, 397156), (1280, 198578), (2560, 99289)]