8201528020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1889753}}^1$

素因数の和:1889800

約数の個数: 48

約数和(自身を含む): 20318635008

約数和(自身を除く): 12117106988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 1889753, 3779506, 7559012, 9448765, 13228271, 18897530, 26456542, 37795060, 52913084, 58582343, 66141355, 117164686, 132282710, 234329372, 264565420, 292911715, 410076401, 585823430, 820152802, 1171646860, 1640305604, 2050382005, 4100764010, 8201528020]

約数ペア:

[(1, 8201528020), (2, 4100764010), (4, 2050382005), (5, 1640305604), (7, 1171646860), (10, 820152802), (14, 585823430), (20, 410076401), (28, 292911715), (31, 264565420), (35, 234329372), (62, 132282710), (70, 117164686), (124, 66141355), (140, 58582343), (155, 52913084), (217, 37795060), (310, 26456542), (434, 18897530), (620, 13228271), (868, 9448765), (1085, 7559012), (2170, 3779506), (4340, 1889753)]