80982400

素因数分解:

$2^7\times 5^2\times {\mathrm{25307}}^1$

素因数の和:25331

約数の個数: 48

約数和(自身を含む): 200059740

約数和(自身を除く): 119077340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25307, 50614, 101228, 126535, 202456, 253070, 404912, 506140, 632675, 809824, 1012280, 1265350, 1619648, 2024560, 2530700, 3239296, 4049120, 5061400, 8098240, 10122800, 16196480, 20245600, 40491200, 80982400]

約数ペア:

[(1, 80982400), (2, 40491200), (4, 20245600), (5, 16196480), (8, 10122800), (10, 8098240), (16, 5061400), (20, 4049120), (25, 3239296), (32, 2530700), (40, 2024560), (50, 1619648), (64, 1265350), (80, 1012280), (100, 809824), (128, 632675), (160, 506140), (200, 404912), (320, 253070), (400, 202456), (640, 126535), (800, 101228), (1600, 50614), (3200, 25307)]