40538960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6581}}^1$

素因数の和:6612

約数の個数: 80

約数和(自身を含む): 117528192

約数和(自身を除く): 76989232

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 6581, 13162, 26324, 32905, 46067, 52648, 65810, 72391, 92134, 105296, 131620, 144782, 184268, 230335, 263240, 289564, 361955, 368536, 460670, 506737, 526480, 579128, 723910, 737072, 921340, 1013474, 1158256, 1447820, 1842680, 2026948, 2533685, 2895640, 3685360, 4053896, 5067370, 5791280, 8107792, 10134740, 20269480, 40538960]

約数ペア:

[(1, 40538960), (2, 20269480), (4, 10134740), (5, 8107792), (7, 5791280), (8, 5067370), (10, 4053896), (11, 3685360), (14, 2895640), (16, 2533685), (20, 2026948), (22, 1842680), (28, 1447820), (35, 1158256), (40, 1013474), (44, 921340), (55, 737072), (56, 723910), (70, 579128), (77, 526480), (80, 506737), (88, 460670), (110, 368536), (112, 361955), (140, 289564), (154, 263240), (176, 230335), (220, 184268), (280, 144782), (308, 131620), (385, 105296), (440, 92134), (560, 72391), (616, 65810), (770, 52648), (880, 46067), (1232, 32905), (1540, 26324), (3080, 13162), (6160, 6581)]