98900720

素因数分解:

$2^4\times 5^1\times {\mathrm{1236259}}^1$

素因数の和:1236272

約数の個数: 20

約数和(自身を含む): 229944360

約数和(自身を除く): 131043640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1236259, 2472518, 4945036, 6181295, 9890072, 12362590, 19780144, 24725180, 49450360, 98900720]

約数ペア:

[(1, 98900720), (2, 49450360), (4, 24725180), (5, 19780144), (8, 12362590), (10, 9890072), (16, 6181295), (20, 4945036), (40, 2472518), (80, 1236259)]