29978260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115301}}^1$

素因数の和:115323

約数の個数: 24

約数和(自身を含む): 67797576

約数和(自身を除く): 37819316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 115301, 230602, 461204, 576505, 1153010, 1498913, 2306020, 2997826, 5995652, 7494565, 14989130, 29978260]

約数ペア:

[(1, 29978260), (2, 14989130), (4, 7494565), (5, 5995652), (10, 2997826), (13, 2306020), (20, 1498913), (26, 1153010), (52, 576505), (65, 461204), (130, 230602), (260, 115301)]