80508740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13463}}^1$

素因数の和:13508

約数の個数: 48

約数和(自身を含む): 190003968

約数和(自身を除く): 109495228

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 13463, 26926, 53852, 67315, 134630, 175019, 269260, 309649, 350038, 619298, 700076, 875095, 1238596, 1548245, 1750190, 3096490, 3500380, 4025437, 6192980, 8050874, 16101748, 20127185, 40254370, 80508740]

約数ペア:

[(1, 80508740), (2, 40254370), (4, 20127185), (5, 16101748), (10, 8050874), (13, 6192980), (20, 4025437), (23, 3500380), (26, 3096490), (46, 1750190), (52, 1548245), (65, 1238596), (92, 875095), (115, 700076), (130, 619298), (230, 350038), (260, 309649), (299, 269260), (460, 175019), (598, 134630), (1196, 67315), (1495, 53852), (2990, 26926), (5980, 13463)]