127637920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19457}}^1$

素因数の和:19513

約数の個数: 48

約数和(自身を含む): 308915208

約数和(自身を除く): 181277288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 19457, 38914, 77828, 97285, 155656, 194570, 311312, 389140, 622624, 778280, 797737, 1556560, 1595474, 3113120, 3190948, 3988685, 6381896, 7977370, 12763792, 15954740, 25527584, 31909480, 63818960, 127637920]

約数ペア:

[(1, 127637920), (2, 63818960), (4, 31909480), (5, 25527584), (8, 15954740), (10, 12763792), (16, 7977370), (20, 6381896), (32, 3988685), (40, 3190948), (41, 3113120), (80, 1595474), (82, 1556560), (160, 797737), (164, 778280), (205, 622624), (328, 389140), (410, 311312), (656, 194570), (820, 155656), (1312, 97285), (1640, 77828), (3280, 38914), (6560, 19457)]