18883921040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5757293}}^1$

素因数の和:5757347

約数の個数: 40

約数和(自身を含む): 44975980728

約数和(自身を除く): 26092059688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5757293, 11514586, 23029172, 28786465, 46058344, 57572930, 92116688, 115145860, 230291720, 236049013, 460583440, 472098026, 944196052, 1180245065, 1888392104, 2360490130, 3776784208, 4720980260, 9441960520, 18883921040]

約数ペア:

[(1, 18883921040), (2, 9441960520), (4, 4720980260), (5, 3776784208), (8, 2360490130), (10, 1888392104), (16, 1180245065), (20, 944196052), (40, 472098026), (41, 460583440), (80, 236049013), (82, 230291720), (164, 115145860), (205, 92116688), (328, 57572930), (410, 46058344), (656, 28786465), (820, 23029172), (1640, 11514586), (3280, 5757293)]