40004200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 93744000

約数和(自身を除く): 53739800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 1439, 2780, 2878, 3475, 5560, 5756, 6950, 7195, 11512, 13900, 14390, 27800, 28780, 35975, 57560, 71950, 143900, 200021, 287800, 400042, 800084, 1000105, 1600168, 2000210, 4000420, 5000525, 8000840, 10001050, 20002100, 40004200]

約数ペア:

[(1, 40004200), (2, 20002100), (4, 10001050), (5, 8000840), (8, 5000525), (10, 4000420), (20, 2000210), (25, 1600168), (40, 1000105), (50, 800084), (100, 400042), (139, 287800), (200, 200021), (278, 143900), (556, 71950), (695, 57560), (1112, 35975), (1390, 28780), (1439, 27800), (2780, 14390), (2878, 13900), (3475, 11512), (5560, 7195), (5756, 6950)]