28406300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21878

約数の個数: 36

約数和(自身を含む): 66386376

約数和(自身を除く): 37980076

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21851, 43702, 87404, 109255, 218510, 284063, 437020, 546275, 568126, 1092550, 1136252, 1420315, 2185100, 2840630, 5681260, 7101575, 14203150, 28406300]

約数ペア:

[(1, 28406300), (2, 14203150), (4, 7101575), (5, 5681260), (10, 2840630), (13, 2185100), (20, 1420315), (25, 1136252), (26, 1092550), (50, 568126), (52, 546275), (65, 437020), (100, 284063), (130, 218510), (260, 109255), (325, 87404), (650, 43702), (1300, 21851)]