80713880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155219}}^1$

素因数の和:155243

約数の個数: 32

約数和(自身を含む): 195577200

約数和(自身を除く): 114863320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155219, 310438, 620876, 776095, 1241752, 1552190, 2017847, 3104380, 4035694, 6208760, 8071388, 10089235, 16142776, 20178470, 40356940, 80713880]

約数ペア:

[(1, 80713880), (2, 40356940), (4, 20178470), (5, 16142776), (8, 10089235), (10, 8071388), (13, 6208760), (20, 4035694), (26, 3104380), (40, 2017847), (52, 1552190), (65, 1241752), (104, 776095), (130, 620876), (260, 310438), (520, 155219)]