39513880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{141121}}^1$

素因数の和:141139

約数の個数: 32

約数和(自身を含む): 101607840

約数和(自身を除く): 62093960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 141121, 282242, 564484, 705605, 987847, 1128968, 1411210, 1975694, 2822420, 3951388, 4939235, 5644840, 7902776, 9878470, 19756940, 39513880]

約数ペア:

[(1, 39513880), (2, 19756940), (4, 9878470), (5, 7902776), (7, 5644840), (8, 4939235), (10, 3951388), (14, 2822420), (20, 1975694), (28, 1411210), (35, 1128968), (40, 987847), (56, 705605), (70, 564484), (140, 282242), (280, 141121)]