83997920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 210561120

約数和(自身を除く): 126563200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 116, 145, 160, 172, 215, 232, 290, 344, 421, 430, 464, 580, 688, 842, 860, 928, 1160, 1247, 1376, 1684, 1720, 2105, 2320, 2494, 3368, 3440, 4210, 4640, 4988, 6235, 6736, 6880, 8420, 9976, 12209, 12470, 13472, 16840, 18103, 19952, 24418, 24940, 33680, 36206, 39904, 48836, 49880, 61045, 67360, 72412, 90515, 97672, 99760, 122090, 144824, 181030, 195344, 199520, 244180, 289648, 362060, 390688, 488360, 524987, 579296, 724120, 976720, 1049974, 1448240, 1953440, 2099948, 2624935, 2896480, 4199896, 5249870, 8399792, 10499740, 16799584, 20999480, 41998960, 83997920]

約数ペア:

[(1, 83997920), (2, 41998960), (4, 20999480), (5, 16799584), (8, 10499740), (10, 8399792), (16, 5249870), (20, 4199896), (29, 2896480), (32, 2624935), (40, 2099948), (43, 1953440), (58, 1448240), (80, 1049974), (86, 976720), (116, 724120), (145, 579296), (160, 524987), (172, 488360), (215, 390688), (232, 362060), (290, 289648), (344, 244180), (421, 199520), (430, 195344), (464, 181030), (580, 144824), (688, 122090), (842, 99760), (860, 97672), (928, 90515), (1160, 72412), (1247, 67360), (1376, 61045), (1684, 49880), (1720, 48836), (2105, 39904), (2320, 36206), (2494, 33680), (3368, 24940), (3440, 24418), (4210, 19952), (4640, 18103), (4988, 16840), (6235, 13472), (6736, 12470), (6880, 12209), (8420, 9976)]