40742020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1699}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 94248000

約数和(自身を除く): 53505980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1699, 2180, 2398, 3398, 4796, 5995, 6796, 8495, 11990, 16990, 18689, 23980, 33980, 37378, 74756, 93445, 185191, 186890, 370382, 373780, 740764, 925955, 1851910, 2037101, 3703820, 4074202, 8148404, 10185505, 20371010, 40742020]

約数ペア:

[(1, 40742020), (2, 20371010), (4, 10185505), (5, 8148404), (10, 4074202), (11, 3703820), (20, 2037101), (22, 1851910), (44, 925955), (55, 740764), (109, 373780), (110, 370382), (218, 186890), (220, 185191), (436, 93445), (545, 74756), (1090, 37378), (1199, 33980), (1699, 23980), (2180, 18689), (2398, 16990), (3398, 11990), (4796, 8495), (5995, 6796)]