1855720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2729}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 4422600

約数和(自身を除く): 2566880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2729, 5458, 10916, 13645, 21832, 27290, 46393, 54580, 92786, 109160, 185572, 231965, 371144, 463930, 927860, 1855720]

約数ペア:

[(1, 1855720), (2, 927860), (4, 463930), (5, 371144), (8, 231965), (10, 185572), (17, 109160), (20, 92786), (34, 54580), (40, 46393), (68, 27290), (85, 21832), (136, 13645), (170, 10916), (340, 5458), (680, 2729)]