2069680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 4937184

約数和(自身を除く): 2867504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 631, 656, 820, 1262, 1640, 2524, 3155, 3280, 5048, 6310, 10096, 12620, 25240, 25871, 50480, 51742, 103484, 129355, 206968, 258710, 413936, 517420, 1034840, 2069680]

約数ペア:

[(1, 2069680), (2, 1034840), (4, 517420), (5, 413936), (8, 258710), (10, 206968), (16, 129355), (20, 103484), (40, 51742), (41, 50480), (80, 25871), (82, 25240), (164, 12620), (205, 10096), (328, 6310), (410, 5048), (631, 3280), (656, 3155), (820, 2524), (1262, 1640)]