8051440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5297}}^1$

素因数の和:5329

約数の個数: 40

約数和(自身を含む): 19708560

約数和(自身を除く): 11657120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5297, 10594, 21188, 26485, 42376, 52970, 84752, 100643, 105940, 201286, 211880, 402572, 423760, 503215, 805144, 1006430, 1610288, 2012860, 4025720, 8051440]

約数ペア:

[(1, 8051440), (2, 4025720), (4, 2012860), (5, 1610288), (8, 1006430), (10, 805144), (16, 503215), (19, 423760), (20, 402572), (38, 211880), (40, 201286), (76, 105940), (80, 100643), (95, 84752), (152, 52970), (190, 42376), (304, 26485), (380, 21188), (760, 10594), (1520, 5297)]