90021590

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{13619}}^1$

素因数の和:14287

約数の個数: 16

約数和(自身を含む): 162295920

約数和(自身を除く): 72274330

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 13619, 27238, 68095, 136190, 9002159, 18004318, 45010795, 90021590]

約数ペア:

[(1, 90021590), (2, 45010795), (5, 18004318), (10, 9002159), (661, 136190), (1322, 68095), (3305, 27238), (6610, 13619)]