89983280

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1823}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 209665152

約数和(自身を除く): 119681872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 1823, 2468, 3085, 3646, 4936, 6170, 7292, 9115, 9872, 12340, 14584, 18230, 24680, 29168, 36460, 49360, 72920, 145840, 1124791, 2249582, 4499164, 5623955, 8998328, 11247910, 17996656, 22495820, 44991640, 89983280]

約数ペア:

[(1, 89983280), (2, 44991640), (4, 22495820), (5, 17996656), (8, 11247910), (10, 8998328), (16, 5623955), (20, 4499164), (40, 2249582), (80, 1124791), (617, 145840), (1234, 72920), (1823, 49360), (2468, 36460), (3085, 29168), (3646, 24680), (4936, 18230), (6170, 14584), (7292, 12340), (9115, 9872)]