3631280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 8890800

約数和(自身を除く): 5259520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2389, 4778, 9556, 11945, 19112, 23890, 38224, 45391, 47780, 90782, 95560, 181564, 191120, 226955, 363128, 453910, 726256, 907820, 1815640, 3631280]

約数ペア:

[(1, 3631280), (2, 1815640), (4, 907820), (5, 726256), (8, 453910), (10, 363128), (16, 226955), (19, 191120), (20, 181564), (38, 95560), (40, 90782), (76, 47780), (80, 45391), (95, 38224), (152, 23890), (190, 19112), (304, 11945), (380, 9556), (760, 4778), (1520, 2389)]