165076720

素因数分解:

$2^4\times 5^1\times {\mathrm{2063459}}^1$

素因数の和:2063472

約数の個数: 20

約数和(自身を含む): 383803560

約数和(自身を除く): 218726840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2063459, 4126918, 8253836, 10317295, 16507672, 20634590, 33015344, 41269180, 82538360, 165076720]

約数ペア:

[(1, 165076720), (2, 82538360), (4, 41269180), (5, 33015344), (8, 20634590), (10, 16507672), (16, 10317295), (20, 8253836), (40, 4126918), (80, 2063459)]