39976160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5099}}^1$

素因数の和:5128

約数の個数: 72

約数和(自身を含む): 109884600

約数和(自身を除く): 69908440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5099, 7840, 10198, 20396, 25495, 35693, 40792, 50990, 71386, 81584, 101980, 142772, 163168, 178465, 203960, 249851, 285544, 356930, 407920, 499702, 571088, 713860, 815840, 999404, 1142176, 1249255, 1427720, 1998808, 2498510, 2855440, 3997616, 4997020, 5710880, 7995232, 9994040, 19988080, 39976160]

約数ペア:

[(1, 39976160), (2, 19988080), (4, 9994040), (5, 7995232), (7, 5710880), (8, 4997020), (10, 3997616), (14, 2855440), (16, 2498510), (20, 1998808), (28, 1427720), (32, 1249255), (35, 1142176), (40, 999404), (49, 815840), (56, 713860), (70, 571088), (80, 499702), (98, 407920), (112, 356930), (140, 285544), (160, 249851), (196, 203960), (224, 178465), (245, 163168), (280, 142772), (392, 101980), (490, 81584), (560, 71386), (784, 50990), (980, 40792), (1120, 35693), (1568, 25495), (1960, 20396), (3920, 10198), (5099, 7840)]