20161180638625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{54178517}}^1$

素因数の和:54178774

約数の個数: 32

約数和(自身を含む): 27214953161760

約数和(自身を除く): 7053772523135

約数列:

[1, 5, 13, 25, 65, 125, 229, 325, 1145, 1625, 2977, 5725, 14885, 28625, 74425, 372125, 54178517, 270892585, 704320721, 1354462925, 3521603605, 6772314625, 12406880393, 17608018025, 62034401965, 88040090125, 161289445109, 310172009825, 806447225545, 1550860049125, 4032236127725, 20161180638625]

約数ペア:

[(1, 20161180638625), (5, 4032236127725), (13, 1550860049125), (25, 806447225545), (65, 310172009825), (125, 161289445109), (229, 88040090125), (325, 62034401965), (1145, 17608018025), (1625, 12406880393), (2977, 6772314625), (5725, 3521603605), (14885, 1354462925), (28625, 704320721), (74425, 270892585), (372125, 54178517)]