855560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 1958040

約数和(自身を除く): 1102480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 293, 365, 584, 586, 730, 1172, 1460, 1465, 2344, 2920, 2930, 5860, 11720, 21389, 42778, 85556, 106945, 171112, 213890, 427780, 855560]

約数ペア:

[(1, 855560), (2, 427780), (4, 213890), (5, 171112), (8, 106945), (10, 85556), (20, 42778), (40, 21389), (73, 11720), (146, 5860), (292, 2930), (293, 2920), (365, 2344), (584, 1465), (586, 1460), (730, 1172)]