31235840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 78146208

約数和(自身を除く): 46910368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1061, 1280, 1472, 1840, 2122, 2944, 3680, 4244, 5305, 5888, 7360, 8488, 10610, 14720, 16976, 21220, 24403, 29440, 33952, 42440, 48806, 67904, 84880, 97612, 122015, 135808, 169760, 195224, 244030, 271616, 339520, 390448, 488060, 679040, 780896, 976120, 1358080, 1561792, 1952240, 3123584, 3904480, 6247168, 7808960, 15617920, 31235840]

約数ペア:

[(1, 31235840), (2, 15617920), (4, 7808960), (5, 6247168), (8, 3904480), (10, 3123584), (16, 1952240), (20, 1561792), (23, 1358080), (32, 976120), (40, 780896), (46, 679040), (64, 488060), (80, 390448), (92, 339520), (115, 271616), (128, 244030), (160, 195224), (184, 169760), (230, 135808), (256, 122015), (320, 97612), (368, 84880), (460, 67904), (640, 48806), (736, 42440), (920, 33952), (1061, 29440), (1280, 24403), (1472, 21220), (1840, 16976), (2122, 14720), (2944, 10610), (3680, 8488), (4244, 7360), (5305, 5888)]