42616820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 91642320

約数和(自身を除く): 49025500

約数列:

[1, 2, 4, 5, 10, 20, 109, 113, 173, 218, 226, 346, 436, 452, 545, 565, 692, 865, 1090, 1130, 1730, 2180, 2260, 3460, 12317, 18857, 19549, 24634, 37714, 39098, 49268, 61585, 75428, 78196, 94285, 97745, 123170, 188570, 195490, 246340, 377140, 390980, 2130841, 4261682, 8523364, 10654205, 21308410, 42616820]

約数ペア:

[(1, 42616820), (2, 21308410), (4, 10654205), (5, 8523364), (10, 4261682), (20, 2130841), (109, 390980), (113, 377140), (173, 246340), (218, 195490), (226, 188570), (346, 123170), (436, 97745), (452, 94285), (545, 78196), (565, 75428), (692, 61585), (865, 49268), (1090, 39098), (1130, 37714), (1730, 24634), (2180, 19549), (2260, 18857), (3460, 12317)]