128417840

素因数分解:

$2^4\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1319}}^1$

素因数の和:2549

約数の個数: 40

約数和(自身を含む): 299043360

約数和(自身を除く): 170625520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1217, 1319, 2434, 2638, 4868, 5276, 6085, 6595, 9736, 10552, 12170, 13190, 19472, 21104, 24340, 26380, 48680, 52760, 97360, 105520, 1605223, 3210446, 6420892, 8026115, 12841784, 16052230, 25683568, 32104460, 64208920, 128417840]

約数ペア:

[(1, 128417840), (2, 64208920), (4, 32104460), (5, 25683568), (8, 16052230), (10, 12841784), (16, 8026115), (20, 6420892), (40, 3210446), (80, 1605223), (1217, 105520), (1319, 97360), (2434, 52760), (2638, 48680), (4868, 26380), (5276, 24340), (6085, 21104), (6595, 19472), (9736, 13190), (10552, 12170)]