220291239160

素因数分解:

$2^3\times 5^1\times {\mathrm{5507280979}}^1$

素因数の和:5507280990

約数の個数: 16

約数和(自身を含む): 495655288200

約数和(自身を除く): 275364049040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5507280979, 11014561958, 22029123916, 27536404895, 44058247832, 55072809790, 110145619580, 220291239160]

約数ペア:

[(1, 220291239160), (2, 110145619580), (4, 55072809790), (5, 44058247832), (8, 27536404895), (10, 22029123916), (20, 11014561958), (40, 5507280979)]