15626440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1621}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 35327160

約数和(自身を除く): 19700720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1621, 1928, 2410, 3242, 4820, 6484, 8105, 9640, 12968, 16210, 32420, 64840, 390661, 781322, 1562644, 1953305, 3125288, 3906610, 7813220, 15626440]

約数ペア:

[(1, 15626440), (2, 7813220), (4, 3906610), (5, 3125288), (8, 1953305), (10, 1562644), (20, 781322), (40, 390661), (241, 64840), (482, 32420), (964, 16210), (1205, 12968), (1621, 9640), (1928, 8105), (2410, 6484), (3242, 4820)]