80988700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62299}}^1$

素因数の和:62326

約数の個数: 36

約数和(自身を含む): 189267400

約数和(自身を除く): 108278700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62299, 124598, 249196, 311495, 622990, 809887, 1245980, 1557475, 1619774, 3114950, 3239548, 4049435, 6229900, 8098870, 16197740, 20247175, 40494350, 80988700]

約数ペア:

[(1, 80988700), (2, 40494350), (4, 20247175), (5, 16197740), (10, 8098870), (13, 6229900), (20, 4049435), (25, 3239548), (26, 3114950), (50, 1619774), (52, 1557475), (65, 1245980), (100, 809887), (130, 622990), (260, 311495), (325, 249196), (650, 124598), (1300, 62299)]