22188520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4049}}^1$

素因数の和:4197

約数の個数: 32

約数和(自身を含む): 50301000

約数和(自身を除く): 28112480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 4049, 5480, 8098, 16196, 20245, 32392, 40490, 80980, 161960, 554713, 1109426, 2218852, 2773565, 4437704, 5547130, 11094260, 22188520]

約数ペア:

[(1, 22188520), (2, 11094260), (4, 5547130), (5, 4437704), (8, 2773565), (10, 2218852), (20, 1109426), (40, 554713), (137, 161960), (274, 80980), (548, 40490), (685, 32392), (1096, 20245), (1370, 16196), (2740, 8098), (4049, 5480)]