51087920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49123}}^1$

素因数の和:49149

約数の個数: 40

約数和(自身を含む): 127918896

約数和(自身を除く): 76830976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49123, 98246, 196492, 245615, 392984, 491230, 638599, 785968, 982460, 1277198, 1964920, 2554396, 3192995, 3929840, 5108792, 6385990, 10217584, 12771980, 25543960, 51087920]

約数ペア:

[(1, 51087920), (2, 25543960), (4, 12771980), (5, 10217584), (8, 6385990), (10, 5108792), (13, 3929840), (16, 3192995), (20, 2554396), (26, 1964920), (40, 1277198), (52, 982460), (65, 785968), (80, 638599), (104, 491230), (130, 392984), (208, 245615), (260, 196492), (520, 98246), (1040, 49123)]