40457680

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1787}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 94449312

約数和(自身を除く): 53991632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 1787, 2264, 2830, 3574, 4528, 5660, 7148, 8935, 11320, 14296, 17870, 22640, 28592, 35740, 71480, 142960, 505721, 1011442, 2022884, 2528605, 4045768, 5057210, 8091536, 10114420, 20228840, 40457680]

約数ペア:

[(1, 40457680), (2, 20228840), (4, 10114420), (5, 8091536), (8, 5057210), (10, 4045768), (16, 2528605), (20, 2022884), (40, 1011442), (80, 505721), (283, 142960), (566, 71480), (1132, 35740), (1415, 28592), (1787, 22640), (2264, 17870), (2830, 14296), (3574, 11320), (4528, 8935), (5660, 7148)]