2044520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 4665600

約数和(自身を除く): 2621080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 647, 790, 1294, 1580, 2588, 3160, 3235, 5176, 6470, 12940, 25880, 51113, 102226, 204452, 255565, 408904, 511130, 1022260, 2044520]

約数ペア:

[(1, 2044520), (2, 1022260), (4, 511130), (5, 408904), (8, 255565), (10, 204452), (20, 102226), (40, 51113), (79, 25880), (158, 12940), (316, 6470), (395, 5176), (632, 3235), (647, 3160), (790, 2588), (1294, 1580)]