39946480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71333}}^1$

素因数の和:71353

約数の個数: 40

約数和(自身を含む): 106144992

約数和(自身を除く): 66198512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71333, 142666, 285332, 356665, 499331, 570664, 713330, 998662, 1141328, 1426660, 1997324, 2496655, 2853320, 3994648, 4993310, 5706640, 7989296, 9986620, 19973240, 39946480]

約数ペア:

[(1, 39946480), (2, 19973240), (4, 9986620), (5, 7989296), (7, 5706640), (8, 4993310), (10, 3994648), (14, 2853320), (16, 2496655), (20, 1997324), (28, 1426660), (35, 1141328), (40, 998662), (56, 713330), (70, 570664), (80, 499331), (112, 356665), (140, 285332), (280, 142666), (560, 71333)]