40098940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{286421}}^1$

素因数の和:286437

約数の個数: 24

約数和(自身を含む): 96237792

約数和(自身を除く): 56138852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 286421, 572842, 1145684, 1432105, 2004947, 2864210, 4009894, 5728420, 8019788, 10024735, 20049470, 40098940]

約数ペア:

[(1, 40098940), (2, 20049470), (4, 10024735), (5, 8019788), (7, 5728420), (10, 4009894), (14, 2864210), (20, 2004947), (28, 1432105), (35, 1145684), (70, 572842), (140, 286421)]