1325560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 3081600

約数和(自身を除く): 1756040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1069, 1240, 2138, 4276, 5345, 8552, 10690, 21380, 33139, 42760, 66278, 132556, 165695, 265112, 331390, 662780, 1325560]

約数ペア:

[(1, 1325560), (2, 662780), (4, 331390), (5, 265112), (8, 165695), (10, 132556), (20, 66278), (31, 42760), (40, 33139), (62, 21380), (124, 10690), (155, 8552), (248, 5345), (310, 4276), (620, 2138), (1069, 1240)]