3883960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 8845200

約数和(自身を除く): 4961240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1091, 1780, 2182, 3560, 4364, 5455, 8728, 10910, 21820, 43640, 97099, 194198, 388396, 485495, 776792, 970990, 1941980, 3883960]

約数ペア:

[(1, 3883960), (2, 1941980), (4, 970990), (5, 776792), (8, 485495), (10, 388396), (20, 194198), (40, 97099), (89, 43640), (178, 21820), (356, 10910), (445, 8728), (712, 5455), (890, 4364), (1091, 3560), (1780, 2182)]