82920520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 196110720

約数和(自身を除く): 113190200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 193, 230, 386, 460, 467, 772, 920, 934, 965, 1544, 1868, 1930, 2335, 3736, 3860, 4439, 4670, 7720, 8878, 9340, 10741, 17756, 18680, 21482, 22195, 35512, 42964, 44390, 53705, 85928, 88780, 90131, 107410, 177560, 180262, 214820, 360524, 429640, 450655, 721048, 901310, 1802620, 2073013, 3605240, 4146026, 8292052, 10365065, 16584104, 20730130, 41460260, 82920520]

約数ペア:

[(1, 82920520), (2, 41460260), (4, 20730130), (5, 16584104), (8, 10365065), (10, 8292052), (20, 4146026), (23, 3605240), (40, 2073013), (46, 1802620), (92, 901310), (115, 721048), (184, 450655), (193, 429640), (230, 360524), (386, 214820), (460, 180262), (467, 177560), (772, 107410), (920, 90131), (934, 88780), (965, 85928), (1544, 53705), (1868, 44390), (1930, 42964), (2335, 35512), (3736, 22195), (3860, 21482), (4439, 18680), (4670, 17756), (7720, 10741), (8878, 9340)]