28102100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21617}}^1$

素因数の和:21644

約数の個数: 36

約数和(自身を含む): 65675484

約数和(自身を除く): 37573384

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21617, 43234, 86468, 108085, 216170, 281021, 432340, 540425, 562042, 1080850, 1124084, 1405105, 2161700, 2810210, 5620420, 7025525, 14051050, 28102100]

約数ペア:

[(1, 28102100), (2, 14051050), (4, 7025525), (5, 5620420), (10, 2810210), (13, 2161700), (20, 1405105), (25, 1124084), (26, 1080850), (50, 562042), (52, 540425), (65, 432340), (100, 281021), (130, 216170), (260, 108085), (325, 86468), (650, 43234), (1300, 21617)]