28338700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21799}}^1$

素因数の和:21826

約数の個数: 36

約数和(自身を含む): 66228400

約数和(自身を除く): 37889700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21799, 43598, 87196, 108995, 217990, 283387, 435980, 544975, 566774, 1089950, 1133548, 1416935, 2179900, 2833870, 5667740, 7084675, 14169350, 28338700]

約数ペア:

[(1, 28338700), (2, 14169350), (4, 7084675), (5, 5667740), (10, 2833870), (13, 2179900), (20, 1416935), (25, 1133548), (26, 1089950), (50, 566774), (52, 544975), (65, 435980), (100, 283387), (130, 217990), (260, 108995), (325, 87196), (650, 43598), (1300, 21799)]