204531920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{30803}}^1$

素因数の和:30899

約数の個数: 40

約数和(自身を含む): 481281696

約数和(自身を除く): 276749776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 30803, 61606, 123212, 154015, 246424, 308030, 492848, 616060, 1232120, 2464240, 2556649, 5113298, 10226596, 12783245, 20453192, 25566490, 40906384, 51132980, 102265960, 204531920]

約数ペア:

[(1, 204531920), (2, 102265960), (4, 51132980), (5, 40906384), (8, 25566490), (10, 20453192), (16, 12783245), (20, 10226596), (40, 5113298), (80, 2556649), (83, 2464240), (166, 1232120), (332, 616060), (415, 492848), (664, 308030), (830, 246424), (1328, 154015), (1660, 123212), (3320, 61606), (6640, 30803)]