164011880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40597}}^1$

素因数の和:40709

約数の個数: 32

約数和(自身を含む): 372689640

約数和(自身を除く): 208677760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 40597, 81194, 162388, 202985, 324776, 405970, 811940, 1623880, 4100297, 8200594, 16401188, 20501485, 32802376, 41002970, 82005940, 164011880]

約数ペア:

[(1, 164011880), (2, 82005940), (4, 41002970), (5, 32802376), (8, 20501485), (10, 16401188), (20, 8200594), (40, 4100297), (101, 1623880), (202, 811940), (404, 405970), (505, 324776), (808, 202985), (1010, 162388), (2020, 81194), (4040, 40597)]