28616900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22013}}^1$

素因数の和:22040

約数の個数: 36

約数和(自身を含む): 66878532

約数和(自身を除く): 38261632

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22013, 44026, 88052, 110065, 220130, 286169, 440260, 550325, 572338, 1100650, 1144676, 1430845, 2201300, 2861690, 5723380, 7154225, 14308450, 28616900]

約数ペア:

[(1, 28616900), (2, 14308450), (4, 7154225), (5, 5723380), (10, 2861690), (13, 2201300), (20, 1430845), (25, 1144676), (26, 1100650), (50, 572338), (52, 550325), (65, 440260), (100, 286169), (130, 220130), (260, 110065), (325, 88052), (650, 44026), (1300, 22013)]