17921680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32003}}^1$

素因数の和:32023

約数の個数: 40

約数和(自身を含む): 47621952

約数和(自身を除く): 29700272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32003, 64006, 128012, 160015, 224021, 256024, 320030, 448042, 512048, 640060, 896084, 1120105, 1280120, 1792168, 2240210, 2560240, 3584336, 4480420, 8960840, 17921680]

約数ペア:

[(1, 17921680), (2, 8960840), (4, 4480420), (5, 3584336), (7, 2560240), (8, 2240210), (10, 1792168), (14, 1280120), (16, 1120105), (20, 896084), (28, 640060), (35, 512048), (40, 448042), (56, 320030), (70, 256024), (80, 224021), (112, 160015), (140, 128012), (280, 64006), (560, 32003)]