169481680

素因数分解:

$2^4\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{2039}}^1$

素因数の和:3091

約数の個数: 40

約数和(自身を含む): 394617600

約数和(自身を除く): 225135920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1039, 2039, 2078, 4078, 4156, 5195, 8156, 8312, 10195, 10390, 16312, 16624, 20390, 20780, 32624, 40780, 41560, 81560, 83120, 163120, 2118521, 4237042, 8474084, 10592605, 16948168, 21185210, 33896336, 42370420, 84740840, 169481680]

約数ペア:

[(1, 169481680), (2, 84740840), (4, 42370420), (5, 33896336), (8, 21185210), (10, 16948168), (16, 10592605), (20, 8474084), (40, 4237042), (80, 2118521), (1039, 163120), (2039, 83120), (2078, 81560), (4078, 41560), (4156, 40780), (5195, 32624), (8156, 20780), (8312, 20390), (10195, 16624), (10390, 16312)]