25726660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 55794816

約数和(自身を除く): 30068156

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 263, 268, 292, 335, 365, 526, 670, 730, 1052, 1315, 1340, 1460, 2630, 4891, 5260, 9782, 17621, 19199, 19564, 24455, 35242, 38398, 48910, 70484, 76796, 88105, 95995, 97820, 176210, 191990, 352420, 383980, 1286333, 2572666, 5145332, 6431665, 12863330, 25726660]

約数ペア:

[(1, 25726660), (2, 12863330), (4, 6431665), (5, 5145332), (10, 2572666), (20, 1286333), (67, 383980), (73, 352420), (134, 191990), (146, 176210), (263, 97820), (268, 95995), (292, 88105), (335, 76796), (365, 70484), (526, 48910), (670, 38398), (730, 35242), (1052, 24455), (1315, 19564), (1340, 19199), (1460, 17621), (2630, 9782), (4891, 5260)]