83878640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15649}}^1$

素因数の和:15729

約数の個数: 40

約数和(自身を含む): 197941200

約数和(自身を除く): 114062560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 15649, 31298, 62596, 78245, 125192, 156490, 250384, 312980, 625960, 1048483, 1251920, 2096966, 4193932, 5242415, 8387864, 10484830, 16775728, 20969660, 41939320, 83878640]

約数ペア:

[(1, 83878640), (2, 41939320), (4, 20969660), (5, 16775728), (8, 10484830), (10, 8387864), (16, 5242415), (20, 4193932), (40, 2096966), (67, 1251920), (80, 1048483), (134, 625960), (268, 312980), (335, 250384), (536, 156490), (670, 125192), (1072, 78245), (1340, 62596), (2680, 31298), (5360, 15649)]