85180940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327619}}^1$

素因数の和:327641

約数の個数: 24

約数和(自身を含む): 192640560

約数和(自身を除く): 107459620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327619, 655238, 1310476, 1638095, 3276190, 4259047, 6552380, 8518094, 17036188, 21295235, 42590470, 85180940]

約数ペア:

[(1, 85180940), (2, 42590470), (4, 21295235), (5, 17036188), (10, 8518094), (13, 6552380), (20, 4259047), (26, 3276190), (52, 1638095), (65, 1310476), (130, 655238), (260, 327619)]