145419640

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2803}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 327563280

約数和(自身を除く): 182143640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2594, 2803, 5188, 5606, 6485, 10376, 11212, 12970, 14015, 22424, 25940, 28030, 51880, 56060, 112120, 3635491, 7270982, 14541964, 18177455, 29083928, 36354910, 72709820, 145419640]

約数ペア:

[(1, 145419640), (2, 72709820), (4, 36354910), (5, 29083928), (8, 18177455), (10, 14541964), (20, 7270982), (40, 3635491), (1297, 112120), (2594, 56060), (2803, 51880), (5188, 28030), (5606, 25940), (6485, 22424), (10376, 14015), (11212, 12970)]