28082540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 63080640

約数和(自身を除く): 34998100

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1489, 1886, 2978, 3772, 4715, 5956, 7445, 9430, 14890, 18860, 29780, 34247, 61049, 68494, 122098, 136988, 171235, 244196, 305245, 342470, 610490, 684940, 1220980, 1404127, 2808254, 5616508, 7020635, 14041270, 28082540]

約数ペア:

[(1, 28082540), (2, 14041270), (4, 7020635), (5, 5616508), (10, 2808254), (20, 1404127), (23, 1220980), (41, 684940), (46, 610490), (82, 342470), (92, 305245), (115, 244196), (164, 171235), (205, 136988), (230, 122098), (410, 68494), (460, 61049), (820, 34247), (943, 29780), (1489, 18860), (1886, 14890), (2978, 9430), (3772, 7445), (4715, 5956)]