169811720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{326561}}^1$

素因数の和:326585

約数の個数: 32

約数和(自身を含む): 411468120

約数和(自身を除く): 241656400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 326561, 653122, 1306244, 1632805, 2612488, 3265610, 4245293, 6531220, 8490586, 13062440, 16981172, 21226465, 33962344, 42452930, 84905860, 169811720]

約数ペア:

[(1, 169811720), (2, 84905860), (4, 42452930), (5, 33962344), (8, 21226465), (10, 16981172), (13, 13062440), (20, 8490586), (26, 6531220), (40, 4245293), (52, 3265610), (65, 2612488), (104, 1632805), (130, 1306244), (260, 653122), (520, 326561)]