81959900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{74509}}^1$

素因数の和:74534

約数の個数: 36

約数和(自身を含む): 194024040

約数和(自身を除く): 112064140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 74509, 149018, 298036, 372545, 745090, 819599, 1490180, 1639198, 1862725, 3278396, 3725450, 4097995, 7450900, 8195990, 16391980, 20489975, 40979950, 81959900]

約数ペア:

[(1, 81959900), (2, 40979950), (4, 20489975), (5, 16391980), (10, 8195990), (11, 7450900), (20, 4097995), (22, 3725450), (25, 3278396), (44, 1862725), (50, 1639198), (55, 1490180), (100, 819599), (110, 745090), (220, 372545), (275, 298036), (550, 149018), (1100, 74509)]