988896560

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{30223}}^1$

素因数の和:30645

約数の個数: 40

約数和(自身を含む): 2304882240

約数和(自身を除く): 1315985680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 30223, 32720, 60446, 120892, 151115, 241784, 302230, 483568, 604460, 1208920, 2417840, 12361207, 24722414, 49444828, 61806035, 98889656, 123612070, 197779312, 247224140, 494448280, 988896560]

約数ペア:

[(1, 988896560), (2, 494448280), (4, 247224140), (5, 197779312), (8, 123612070), (10, 98889656), (16, 61806035), (20, 49444828), (40, 24722414), (80, 12361207), (409, 2417840), (818, 1208920), (1636, 604460), (2045, 483568), (3272, 302230), (4090, 241784), (6544, 151115), (8180, 120892), (16360, 60446), (30223, 32720)]