2665778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3920263}}^1$

素因数の和:3920291

約数の個数: 32

約数和(自身を含む): 6350827680

約数和(自身を除く): 3685048840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3920263, 7840526, 15681052, 19601315, 31362104, 39202630, 66644471, 78405260, 133288942, 156810520, 266577884, 333222355, 533155768, 666444710, 1332889420, 2665778840]

約数ペア:

[(1, 2665778840), (2, 1332889420), (4, 666444710), (5, 533155768), (8, 333222355), (10, 266577884), (17, 156810520), (20, 133288942), (34, 78405260), (40, 66644471), (68, 39202630), (85, 31362104), (136, 19601315), (170, 15681052), (340, 7840526), (680, 3920263)]