13139440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 32908608

約数和(自身を除く): 19769168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 193, 230, 296, 368, 370, 386, 460, 592, 740, 772, 851, 920, 965, 1480, 1544, 1702, 1840, 1930, 2960, 3088, 3404, 3860, 4255, 4439, 6808, 7141, 7720, 8510, 8878, 13616, 14282, 15440, 17020, 17756, 22195, 28564, 34040, 35512, 35705, 44390, 57128, 68080, 71024, 71410, 88780, 114256, 142820, 164243, 177560, 285640, 328486, 355120, 571280, 656972, 821215, 1313944, 1642430, 2627888, 3284860, 6569720, 13139440]

約数ペア:

[(1, 13139440), (2, 6569720), (4, 3284860), (5, 2627888), (8, 1642430), (10, 1313944), (16, 821215), (20, 656972), (23, 571280), (37, 355120), (40, 328486), (46, 285640), (74, 177560), (80, 164243), (92, 142820), (115, 114256), (148, 88780), (184, 71410), (185, 71024), (193, 68080), (230, 57128), (296, 44390), (368, 35705), (370, 35512), (386, 34040), (460, 28564), (592, 22195), (740, 17756), (772, 17020), (851, 15440), (920, 14282), (965, 13616), (1480, 8878), (1544, 8510), (1702, 7720), (1840, 7141), (1930, 6808), (2960, 4439), (3088, 4255), (3404, 3860)]