164260220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{112507}}^1$

素因数の和:112589

約数の個数: 24

約数和(自身を含む): 349674864

約数和(自身を除く): 185414644

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 112507, 225014, 450028, 562535, 1125070, 2250140, 8213011, 16426022, 32852044, 41065055, 82130110, 164260220]

約数ペア:

[(1, 164260220), (2, 82130110), (4, 41065055), (5, 32852044), (10, 16426022), (20, 8213011), (73, 2250140), (146, 1125070), (292, 562535), (365, 450028), (730, 225014), (1460, 112507)]