79802560

素因数分解:

$2^6\times 5^1\times {\mathrm{249383}}^1$

素因数の和:249400

約数の個数: 28

約数和(自身を含む): 190030608

約数和(自身を除く): 110228048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249383, 498766, 997532, 1246915, 1995064, 2493830, 3990128, 4987660, 7980256, 9975320, 15960512, 19950640, 39901280, 79802560]

約数ペア:

[(1, 79802560), (2, 39901280), (4, 19950640), (5, 15960512), (8, 9975320), (10, 7980256), (16, 4987660), (20, 3990128), (32, 2493830), (40, 1995064), (64, 1246915), (80, 997532), (160, 498766), (320, 249383)]