163921040

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11447}}^1$

素因数の和:11639

約数の個数: 40

約数和(自身を含む): 383279040

約数和(自身を除く): 219358000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 11447, 14320, 22894, 45788, 57235, 91576, 114470, 183152, 228940, 457880, 915760, 2049013, 4098026, 8196052, 10245065, 16392104, 20490130, 32784208, 40980260, 81960520, 163921040]

約数ペア:

[(1, 163921040), (2, 81960520), (4, 40980260), (5, 32784208), (8, 20490130), (10, 16392104), (16, 10245065), (20, 8196052), (40, 4098026), (80, 2049013), (179, 915760), (358, 457880), (716, 228940), (895, 183152), (1432, 114470), (1790, 91576), (2864, 57235), (3580, 45788), (7160, 22894), (11447, 14320)]