80990150

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{16699}}^1$

素因数の和:16808

約数の個数: 24

約数和(自身を含む): 152203800

約数和(自身を除く): 71213650

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4850, 16699, 33398, 83495, 166990, 417475, 834950, 1619803, 3239606, 8099015, 16198030, 40495075, 80990150]

約数ペア:

[(1, 80990150), (2, 40495075), (5, 16198030), (10, 8099015), (25, 3239606), (50, 1619803), (97, 834950), (194, 417475), (485, 166990), (970, 83495), (2425, 33398), (4850, 16699)]