40315245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 73716480

約数和(自身を除く): 33401235

約数列:

[1, 3, 5, 15, 17, 19, 51, 53, 57, 85, 95, 157, 159, 255, 265, 285, 323, 471, 785, 795, 901, 969, 1007, 1615, 2355, 2669, 2703, 2983, 3021, 4505, 4845, 5035, 8007, 8321, 8949, 13345, 13515, 14915, 15105, 17119, 24963, 40035, 41605, 44745, 50711, 51357, 85595, 124815, 141457, 152133, 158099, 253555, 256785, 424371, 474297, 707285, 760665, 790495, 2121855, 2371485, 2687683, 8063049, 13438415, 40315245]

約数ペア:

[(1, 40315245), (3, 13438415), (5, 8063049), (15, 2687683), (17, 2371485), (19, 2121855), (51, 790495), (53, 760665), (57, 707285), (85, 474297), (95, 424371), (157, 256785), (159, 253555), (255, 158099), (265, 152133), (285, 141457), (323, 124815), (471, 85595), (785, 51357), (795, 50711), (901, 44745), (969, 41605), (1007, 40035), (1615, 24963), (2355, 17119), (2669, 15105), (2703, 14915), (2983, 13515), (3021, 13345), (4505, 8949), (4845, 8321), (5035, 8007)]