212866240

素因数分解:

$2^6\times 5^1\times {\mathrm{665207}}^1$

素因数の和:665224

約数の個数: 28

約数和(自身を含む): 506888496

約数和(自身を除く): 294022256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 665207, 1330414, 2660828, 3326035, 5321656, 6652070, 10643312, 13304140, 21286624, 26608280, 42573248, 53216560, 106433120, 212866240]

約数ペア:

[(1, 212866240), (2, 106433120), (4, 53216560), (5, 42573248), (8, 26608280), (10, 21286624), (16, 13304140), (20, 10643312), (32, 6652070), (40, 5321656), (64, 3326035), (80, 2660828), (160, 1330414), (320, 665207)]