167157520

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1621}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 389182680

約数和(自身を除く): 222025160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 1621, 2578, 3242, 5156, 6445, 6484, 8105, 10312, 12890, 12968, 16210, 20624, 25780, 25936, 32420, 51560, 64840, 103120, 129680, 2089469, 4178938, 8357876, 10447345, 16715752, 20894690, 33431504, 41789380, 83578760, 167157520]

約数ペア:

[(1, 167157520), (2, 83578760), (4, 41789380), (5, 33431504), (8, 20894690), (10, 16715752), (16, 10447345), (20, 8357876), (40, 4178938), (80, 2089469), (1289, 129680), (1621, 103120), (2578, 64840), (3242, 51560), (5156, 32420), (6445, 25936), (6484, 25780), (8105, 20624), (10312, 16210), (12890, 12968)]