51053260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 109892160

約数和(自身を除く): 58838900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 229, 284, 314, 355, 458, 628, 710, 785, 916, 1145, 1420, 1570, 2290, 3140, 4580, 11147, 16259, 22294, 32518, 35953, 44588, 55735, 65036, 71906, 81295, 111470, 143812, 162590, 179765, 222940, 325180, 359530, 719060, 2552663, 5105326, 10210652, 12763315, 25526630, 51053260]

約数ペア:

[(1, 51053260), (2, 25526630), (4, 12763315), (5, 10210652), (10, 5105326), (20, 2552663), (71, 719060), (142, 359530), (157, 325180), (229, 222940), (284, 179765), (314, 162590), (355, 143812), (458, 111470), (628, 81295), (710, 71906), (785, 65036), (916, 55735), (1145, 44588), (1420, 35953), (1570, 32518), (2290, 22294), (3140, 16259), (4580, 11147)]