390153440

素因数分解:

$2^5\times 5^1\times {\mathrm{2438459}}^1$

素因数の和:2438474

約数の個数: 24

約数和(自身を含む): 921737880

約数和(自身を除く): 531584440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2438459, 4876918, 9753836, 12192295, 19507672, 24384590, 39015344, 48769180, 78030688, 97538360, 195076720, 390153440]

約数ペア:

[(1, 390153440), (2, 195076720), (4, 97538360), (5, 78030688), (8, 48769180), (10, 39015344), (16, 24384590), (20, 19507672), (32, 12192295), (40, 9753836), (80, 4876918), (160, 2438459)]