40418816

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:994

約数の個数: 40

約数和(自身を含む): 81758160

約数和(自身を除く): 41339344

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 887, 1424, 1774, 2848, 3548, 5696, 7096, 11392, 14192, 22784, 28384, 45568, 56768, 78943, 113536, 157886, 227072, 315772, 454144, 631544, 1263088, 2526176, 5052352, 10104704, 20209408, 40418816]

約数ペア:

[(1, 40418816), (2, 20209408), (4, 10104704), (8, 5052352), (16, 2526176), (32, 1263088), (64, 631544), (89, 454144), (128, 315772), (178, 227072), (256, 157886), (356, 113536), (512, 78943), (712, 56768), (887, 45568), (1424, 28384), (1774, 22784), (2848, 14192), (3548, 11392), (5696, 7096)]