28949860

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6491}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 61076736

約数和(自身を除く): 32126876

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6491, 12982, 25964, 32455, 64910, 129820, 1447493, 2894986, 5789972, 7237465, 14474930, 28949860]

約数ペア:

[(1, 28949860), (2, 14474930), (4, 7237465), (5, 5789972), (10, 2894986), (20, 1447493), (223, 129820), (446, 64910), (892, 32455), (1115, 25964), (2230, 12982), (4460, 6491)]