80260072

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 152942400

約数和(自身を除く): 72682328

約数列:

[1, 2, 4, 8, 103, 206, 257, 379, 412, 514, 758, 824, 1028, 1516, 2056, 3032, 26471, 39037, 52942, 78074, 97403, 105884, 156148, 194806, 211768, 312296, 389612, 779224, 10032509, 20065018, 40130036, 80260072]

約数ペア:

[(1, 80260072), (2, 40130036), (4, 20065018), (8, 10032509), (103, 779224), (206, 389612), (257, 312296), (379, 211768), (412, 194806), (514, 156148), (758, 105884), (824, 97403), (1028, 78074), (1516, 52942), (2056, 39037), (3032, 26471)]