39992860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 48259556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 383, 454, 460, 766, 908, 1135, 1532, 1915, 2270, 3830, 4540, 5221, 7660, 8809, 10442, 17618, 20884, 26105, 35236, 44045, 52210, 86941, 88090, 104420, 173882, 176180, 347764, 434705, 869410, 1738820, 1999643, 3999286, 7998572, 9998215, 19996430, 39992860]

約数ペア:

[(1, 39992860), (2, 19996430), (4, 9998215), (5, 7998572), (10, 3999286), (20, 1999643), (23, 1738820), (46, 869410), (92, 434705), (115, 347764), (227, 176180), (230, 173882), (383, 104420), (454, 88090), (460, 86941), (766, 52210), (908, 44045), (1135, 35236), (1532, 26105), (1915, 20884), (2270, 17618), (3830, 10442), (4540, 8809), (5221, 7660)]