2980640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1433}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 7588728

約数和(自身を除く): 4608088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1433, 2080, 2866, 5732, 7165, 11464, 14330, 18629, 22928, 28660, 37258, 45856, 57320, 74516, 93145, 114640, 149032, 186290, 229280, 298064, 372580, 596128, 745160, 1490320, 2980640]

約数ペア:

[(1, 2980640), (2, 1490320), (4, 745160), (5, 596128), (8, 372580), (10, 298064), (13, 229280), (16, 186290), (20, 149032), (26, 114640), (32, 93145), (40, 74516), (52, 57320), (65, 45856), (80, 37258), (104, 28660), (130, 22928), (160, 18629), (208, 14330), (260, 11464), (416, 7165), (520, 5732), (1040, 2866), (1433, 2080)]