64700875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 85063680

約数和(自身を除く): 20362805

約数列:

[1, 5, 25, 31, 59, 125, 155, 283, 295, 775, 1415, 1475, 1829, 3875, 7075, 7375, 8773, 9145, 16697, 35375, 43865, 45725, 83485, 219325, 228625, 417425, 517607, 1096625, 2087125, 2588035, 12940175, 64700875]

約数ペア:

[(1, 64700875), (5, 12940175), (25, 2588035), (31, 2087125), (59, 1096625), (125, 517607), (155, 417425), (283, 228625), (295, 219325), (775, 83485), (1415, 45725), (1475, 43865), (1829, 35375), (3875, 16697), (7075, 9145), (7375, 8773)]