127943680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{24989}}^1$

素因数の和:25014

約数の個数: 44

約数和(自身を含む): 306927180

約数和(自身を除く): 178983500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 24989, 49978, 99956, 124945, 199912, 249890, 399824, 499780, 799648, 999560, 1599296, 1999120, 3198592, 3998240, 6397184, 7996480, 12794368, 15992960, 25588736, 31985920, 63971840, 127943680]

約数ペア:

[(1, 127943680), (2, 63971840), (4, 31985920), (5, 25588736), (8, 15992960), (10, 12794368), (16, 7996480), (20, 6397184), (32, 3998240), (40, 3198592), (64, 1999120), (80, 1599296), (128, 999560), (160, 799648), (256, 499780), (320, 399824), (512, 249890), (640, 199912), (1024, 124945), (1280, 99956), (2560, 49978), (5120, 24989)]