2783446880

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{172243}}^1$

素因数の和:172359

約数の個数: 48

約数和(自身を含む): 6641039664

約数和(自身を除く): 3857592784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 172243, 344486, 688972, 861215, 1377944, 1722430, 2755888, 3444860, 5511776, 6889720, 13779440, 17396543, 27558880, 34793086, 69586172, 86982715, 139172344, 173965430, 278344688, 347930860, 556689376, 695861720, 1391723440, 2783446880]

約数ペア:

[(1, 2783446880), (2, 1391723440), (4, 695861720), (5, 556689376), (8, 347930860), (10, 278344688), (16, 173965430), (20, 139172344), (32, 86982715), (40, 69586172), (80, 34793086), (101, 27558880), (160, 17396543), (202, 13779440), (404, 6889720), (505, 5511776), (808, 3444860), (1010, 2755888), (1616, 1722430), (2020, 1377944), (3232, 861215), (4040, 688972), (8080, 344486), (16160, 172243)]