6400605040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1860641}}^1$

素因数の和:1860697

約数の個数: 40

約数和(自身を含む): 15227494128

約数和(自身を除く): 8826889088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 1860641, 3721282, 7442564, 9303205, 14885128, 18606410, 29770256, 37212820, 74425640, 80007563, 148851280, 160015126, 320030252, 400037815, 640060504, 800075630, 1280121008, 1600151260, 3200302520, 6400605040]

約数ペア:

[(1, 6400605040), (2, 3200302520), (4, 1600151260), (5, 1280121008), (8, 800075630), (10, 640060504), (16, 400037815), (20, 320030252), (40, 160015126), (43, 148851280), (80, 80007563), (86, 74425640), (172, 37212820), (215, 29770256), (344, 18606410), (430, 14885128), (688, 9303205), (860, 7442564), (1720, 3721282), (3440, 1860641)]