20161160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 229, 248, 284, 310, 355, 458, 568, 620, 710, 916, 1145, 1240, 1420, 1832, 2201, 2290, 2840, 4402, 4580, 7099, 8804, 9160, 11005, 14198, 16259, 17608, 22010, 28396, 32518, 35495, 44020, 56792, 65036, 70990, 81295, 88040, 130072, 141980, 162590, 283960, 325180, 504029, 650360, 1008058, 2016116, 2520145, 4032232, 5040290, 10080580, 20161160]

約数ペア:

[(1, 20161160), (2, 10080580), (4, 5040290), (5, 4032232), (8, 2520145), (10, 2016116), (20, 1008058), (31, 650360), (40, 504029), (62, 325180), (71, 283960), (124, 162590), (142, 141980), (155, 130072), (229, 88040), (248, 81295), (284, 70990), (310, 65036), (355, 56792), (458, 44020), (568, 35495), (620, 32518), (710, 28396), (916, 22010), (1145, 17608), (1240, 16259), (1420, 14198), (1832, 11005), (2201, 9160), (2290, 8804), (2840, 7099), (4402, 4580)]