7139840

素因数分解:

$2^9\times 5^1\times {\mathrm{2789}}^1$

素因数の和:2812

約数の個数: 40

約数和(自身を含む): 17125020

約数和(自身を除く): 9985180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 2789, 5578, 11156, 13945, 22312, 27890, 44624, 55780, 89248, 111560, 178496, 223120, 356992, 446240, 713984, 892480, 1427968, 1784960, 3569920, 7139840]

約数ペア:

[(1, 7139840), (2, 3569920), (4, 1784960), (5, 1427968), (8, 892480), (10, 713984), (16, 446240), (20, 356992), (32, 223120), (40, 178496), (64, 111560), (80, 89248), (128, 55780), (160, 44624), (256, 27890), (320, 22312), (512, 13945), (640, 11156), (1280, 5578), (2560, 2789)]