201940720

素因数分解:

$2^4\times 5^1\times {\mathrm{2524259}}^1$

素因数の和:2524272

約数の個数: 20

約数和(自身を含む): 469512360

約数和(自身を除く): 267571640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524259, 5048518, 10097036, 12621295, 20194072, 25242590, 40388144, 50485180, 100970360, 201940720]

約数ペア:

[(1, 201940720), (2, 100970360), (4, 50485180), (5, 40388144), (8, 25242590), (10, 20194072), (16, 12621295), (20, 10097036), (40, 5048518), (80, 2524259)]