16541440

素因数分解:

$2^8\times 5^1\times {\mathrm{12923}}^1$

素因数の和:12944

約数の個数: 36

約数和(自身を含む): 39624984

約数和(自身を除く): 23083544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12923, 25846, 51692, 64615, 103384, 129230, 206768, 258460, 413536, 516920, 827072, 1033840, 1654144, 2067680, 3308288, 4135360, 8270720, 16541440]

約数ペア:

[(1, 16541440), (2, 8270720), (4, 4135360), (5, 3308288), (8, 2067680), (10, 1654144), (16, 1033840), (20, 827072), (32, 516920), (40, 413536), (64, 258460), (80, 206768), (128, 129230), (160, 103384), (256, 64615), (320, 51692), (640, 25846), (1280, 12923)]