128300240

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1867}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 298805280

約数和(自身を除く): 170505040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 1867, 3436, 3734, 4295, 6872, 7468, 8590, 9335, 13744, 14936, 17180, 18670, 29872, 34360, 37340, 68720, 74680, 149360, 1603753, 3207506, 6415012, 8018765, 12830024, 16037530, 25660048, 32075060, 64150120, 128300240]

約数ペア:

[(1, 128300240), (2, 64150120), (4, 32075060), (5, 25660048), (8, 16037530), (10, 12830024), (16, 8018765), (20, 6415012), (40, 3207506), (80, 1603753), (859, 149360), (1718, 74680), (1867, 68720), (3436, 37340), (3734, 34360), (4295, 29872), (6872, 18670), (7468, 17180), (8590, 14936), (9335, 13744)]