40288160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2081}}^1$

素因数の和:2118

約数の個数: 72

約数和(自身を含む): 104670468

約数和(自身を除く): 64382308

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2081, 2420, 3872, 4162, 4840, 8324, 9680, 10405, 16648, 19360, 20810, 22891, 33296, 41620, 45782, 66592, 83240, 91564, 114455, 166480, 183128, 228910, 251801, 332960, 366256, 457820, 503602, 732512, 915640, 1007204, 1259005, 1831280, 2014408, 2518010, 3662560, 4028816, 5036020, 8057632, 10072040, 20144080, 40288160]

約数ペア:

[(1, 40288160), (2, 20144080), (4, 10072040), (5, 8057632), (8, 5036020), (10, 4028816), (11, 3662560), (16, 2518010), (20, 2014408), (22, 1831280), (32, 1259005), (40, 1007204), (44, 915640), (55, 732512), (80, 503602), (88, 457820), (110, 366256), (121, 332960), (160, 251801), (176, 228910), (220, 183128), (242, 166480), (352, 114455), (440, 91564), (484, 83240), (605, 66592), (880, 45782), (968, 41620), (1210, 33296), (1760, 22891), (1936, 20810), (2081, 19360), (2420, 16648), (3872, 10405), (4162, 9680), (4840, 8324)]