42015140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19273}}^1$

素因数の和:19391

約数の個数: 24

約数和(自身を含む): 89045880

約数和(自身を除く): 47030740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19273, 38546, 77092, 96365, 192730, 385460, 2100757, 4201514, 8403028, 10503785, 21007570, 42015140]

約数ペア:

[(1, 42015140), (2, 21007570), (4, 10503785), (5, 8403028), (10, 4201514), (20, 2100757), (109, 385460), (218, 192730), (436, 96365), (545, 77092), (1090, 38546), (2180, 19273)]