65400040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 155986560

約数和(自身を除く): 90586520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1061, 1340, 1541, 2122, 2680, 3082, 4244, 5305, 6164, 7705, 8488, 10610, 12328, 15410, 21220, 24403, 30820, 42440, 48806, 61640, 71087, 97612, 122015, 142174, 195224, 244030, 284348, 355435, 488060, 568696, 710870, 976120, 1421740, 1635001, 2843480, 3270002, 6540004, 8175005, 13080008, 16350010, 32700020, 65400040]

約数ペア:

[(1, 65400040), (2, 32700020), (4, 16350010), (5, 13080008), (8, 8175005), (10, 6540004), (20, 3270002), (23, 2843480), (40, 1635001), (46, 1421740), (67, 976120), (92, 710870), (115, 568696), (134, 488060), (184, 355435), (230, 284348), (268, 244030), (335, 195224), (460, 142174), (536, 122015), (670, 97612), (920, 71087), (1061, 61640), (1340, 48806), (1541, 42440), (2122, 30820), (2680, 24403), (3082, 21220), (4244, 15410), (5305, 12328), (6164, 10610), (7705, 8488)]