25154320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7669}}^1$

素因数の和:7723

約数の個数: 40

約数和(自身を含む): 59918040

約数和(自身を除く): 34763720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7669, 15338, 30676, 38345, 61352, 76690, 122704, 153380, 306760, 314429, 613520, 628858, 1257716, 1572145, 2515432, 3144290, 5030864, 6288580, 12577160, 25154320]

約数ペア:

[(1, 25154320), (2, 12577160), (4, 6288580), (5, 5030864), (8, 3144290), (10, 2515432), (16, 1572145), (20, 1257716), (40, 628858), (41, 613520), (80, 314429), (82, 306760), (164, 153380), (205, 122704), (328, 76690), (410, 61352), (656, 38345), (820, 30676), (1640, 15338), (3280, 7669)]