128137840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94219}}^1$

素因数の和:94249

約数の個数: 40

約数和(自身を含む): 315448560

約数和(自身を除く): 187310720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 94219, 188438, 376876, 471095, 753752, 942190, 1507504, 1601723, 1884380, 3203446, 3768760, 6406892, 7537520, 8008615, 12813784, 16017230, 25627568, 32034460, 64068920, 128137840]

約数ペア:

[(1, 128137840), (2, 64068920), (4, 32034460), (5, 25627568), (8, 16017230), (10, 12813784), (16, 8008615), (17, 7537520), (20, 6406892), (34, 3768760), (40, 3203446), (68, 1884380), (80, 1601723), (85, 1507504), (136, 942190), (170, 753752), (272, 471095), (340, 376876), (680, 188438), (1360, 94219)]