26434840

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 59628960

約数和(自身を除く): 33194120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1031, 1282, 2062, 2564, 3205, 4124, 5128, 5155, 6410, 8248, 10310, 12820, 20620, 25640, 41240, 660871, 1321742, 2643484, 3304355, 5286968, 6608710, 13217420, 26434840]

約数ペア:

[(1, 26434840), (2, 13217420), (4, 6608710), (5, 5286968), (8, 3304355), (10, 2643484), (20, 1321742), (40, 660871), (641, 41240), (1031, 25640), (1282, 20620), (2062, 12820), (2564, 10310), (3205, 8248), (4124, 6410), (5128, 5155)]