25065880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89521}}^1$

素因数の和:89539

約数の個数: 32

約数和(自身を含む): 64455840

約数和(自身を除く): 39389960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89521, 179042, 358084, 447605, 626647, 716168, 895210, 1253294, 1790420, 2506588, 3133235, 3580840, 5013176, 6266470, 12532940, 25065880]

約数ペア:

[(1, 25065880), (2, 12532940), (4, 6266470), (5, 5013176), (7, 3580840), (8, 3133235), (10, 2506588), (14, 1790420), (20, 1253294), (28, 895210), (35, 716168), (40, 626647), (56, 447605), (70, 358084), (140, 179042), (280, 89521)]