80535455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16091}}^1$

素因数の和:16127

約数の個数: 32

約数和(自身を含む): 129765888

約数和(自身を除く): 49230433

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 16091, 80455, 112637, 177001, 209183, 563185, 885005, 1045915, 1239007, 1464281, 2301013, 6195035, 7321405, 11505065, 16107091, 80535455]

約数ペア:

[(1, 80535455), (5, 16107091), (7, 11505065), (11, 7321405), (13, 6195035), (35, 2301013), (55, 1464281), (65, 1239007), (77, 1045915), (91, 885005), (143, 563185), (385, 209183), (455, 177001), (715, 112637), (1001, 80455), (5005, 16091)]