129651440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85297}}^1$

素因数の和:85329

約数の個数: 40

約数和(自身を含む): 317308560

約数和(自身を除く): 187657120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 85297, 170594, 341188, 426485, 682376, 852970, 1364752, 1620643, 1705940, 3241286, 3411880, 6482572, 6823760, 8103215, 12965144, 16206430, 25930288, 32412860, 64825720, 129651440]

約数ペア:

[(1, 129651440), (2, 64825720), (4, 32412860), (5, 25930288), (8, 16206430), (10, 12965144), (16, 8103215), (19, 6823760), (20, 6482572), (38, 3411880), (40, 3241286), (76, 1705940), (80, 1620643), (95, 1364752), (152, 852970), (190, 682376), (304, 426485), (380, 341188), (760, 170594), (1520, 85297)]