72240640

素因数分解:

$2^9\times 5^1\times {\mathrm{28219}}^1$

素因数の和:28242

約数の個数: 40

約数和(自身を含む): 173214360

約数和(自身を除く): 100973720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28219, 56438, 112876, 141095, 225752, 282190, 451504, 564380, 903008, 1128760, 1806016, 2257520, 3612032, 4515040, 7224064, 9030080, 14448128, 18060160, 36120320, 72240640]

約数ペア:

[(1, 72240640), (2, 36120320), (4, 18060160), (5, 14448128), (8, 9030080), (10, 7224064), (16, 4515040), (20, 3612032), (32, 2257520), (40, 1806016), (64, 1128760), (80, 903008), (128, 564380), (160, 451504), (256, 282190), (320, 225752), (512, 141095), (640, 112876), (1280, 56438), (2560, 28219)]