81622450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17939}}^1$

素因数の和:17971

約数の個数: 48

約数和(自身を含む): 186863040

約数和(自身を除く): 105240590

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 17939, 35878, 89695, 125573, 179390, 233207, 251146, 448475, 466414, 627865, 896950, 1166035, 1255730, 1632449, 2332070, 3139325, 3264898, 5830175, 6278650, 8162245, 11660350, 16324490, 40811225, 81622450]

約数ペア:

[(1, 81622450), (2, 40811225), (5, 16324490), (7, 11660350), (10, 8162245), (13, 6278650), (14, 5830175), (25, 3264898), (26, 3139325), (35, 2332070), (50, 1632449), (65, 1255730), (70, 1166035), (91, 896950), (130, 627865), (175, 466414), (182, 448475), (325, 251146), (350, 233207), (455, 179390), (650, 125573), (910, 89695), (2275, 35878), (4550, 17939)]