31361680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56003}}^1$

素因数の和:56023

約数の個数: 40

約数和(自身を含む): 83333952

約数和(自身を除く): 51972272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56003, 112006, 224012, 280015, 392021, 448024, 560030, 784042, 896048, 1120060, 1568084, 1960105, 2240120, 3136168, 3920210, 4480240, 6272336, 7840420, 15680840, 31361680]

約数ペア:

[(1, 31361680), (2, 15680840), (4, 7840420), (5, 6272336), (7, 4480240), (8, 3920210), (10, 3136168), (14, 2240120), (16, 1960105), (20, 1568084), (28, 1120060), (35, 896048), (40, 784042), (56, 560030), (70, 448024), (80, 392021), (112, 280015), (140, 224012), (280, 112006), (560, 56003)]