2538880

素因数分解:

$2^7\times 5^1\times {\mathrm{3967}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 6071040

約数和(自身を除く): 3532160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3967, 7934, 15868, 19835, 31736, 39670, 63472, 79340, 126944, 158680, 253888, 317360, 507776, 634720, 1269440, 2538880]

約数ペア:

[(1, 2538880), (2, 1269440), (4, 634720), (5, 507776), (8, 317360), (10, 253888), (16, 158680), (20, 126944), (32, 79340), (40, 63472), (64, 39670), (80, 31736), (128, 19835), (160, 15868), (320, 7934), (640, 3967)]