17977840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13219}}^1$

素因数の和:13249

約数の個数: 40

約数和(自身を含む): 44260560

約数和(自身を除く): 26282720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 224723, 264380, 449446, 528760, 898892, 1057520, 1123615, 1797784, 2247230, 3595568, 4494460, 8988920, 17977840]

約数ペア:

[(1, 17977840), (2, 8988920), (4, 4494460), (5, 3595568), (8, 2247230), (10, 1797784), (16, 1123615), (17, 1057520), (20, 898892), (34, 528760), (40, 449446), (68, 264380), (80, 224723), (85, 211504), (136, 132190), (170, 105752), (272, 66095), (340, 52876), (680, 26438), (1360, 13219)]