15965440

素因数分解:

$2^8\times 5^1\times {\mathrm{12473}}^1$

素因数の和:12494

約数の個数: 36

約数和(自身を含む): 38245284

約数和(自身を除く): 22279844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12473, 24946, 49892, 62365, 99784, 124730, 199568, 249460, 399136, 498920, 798272, 997840, 1596544, 1995680, 3193088, 3991360, 7982720, 15965440]

約数ペア:

[(1, 15965440), (2, 7982720), (4, 3991360), (5, 3193088), (8, 1995680), (10, 1596544), (16, 997840), (20, 798272), (32, 498920), (40, 399136), (64, 249460), (80, 199568), (128, 124730), (160, 99784), (256, 62365), (320, 49892), (640, 24946), (1280, 12473)]