25201450

素因数分解:

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

素因数の和:343

約数の個数: 48

約数和(自身を含む): 49282560

約数和(自身を除く): 24081110

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 229, 310, 355, 458, 710, 775, 1145, 1550, 1775, 2201, 2290, 3550, 4402, 5725, 7099, 11005, 11450, 14198, 16259, 22010, 32518, 35495, 55025, 70990, 81295, 110050, 162590, 177475, 354950, 406475, 504029, 812950, 1008058, 2520145, 5040290, 12600725, 25201450]

約数ペア:

[(1, 25201450), (2, 12600725), (5, 5040290), (10, 2520145), (25, 1008058), (31, 812950), (50, 504029), (62, 406475), (71, 354950), (142, 177475), (155, 162590), (229, 110050), (310, 81295), (355, 70990), (458, 55025), (710, 35495), (775, 32518), (1145, 22010), (1550, 16259), (1775, 14198), (2201, 11450), (2290, 11005), (3550, 7099), (4402, 5725)]