1330692760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{253949}}^1$

素因数の和:254091

約数の個数: 32

約数和(自身を含む): 3016926000

約数和(自身を除く): 1686233240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 253949, 507898, 1015796, 1269745, 2031592, 2539490, 5078980, 10157960, 33267319, 66534638, 133069276, 166336595, 266138552, 332673190, 665346380, 1330692760]

約数ペア:

[(1, 1330692760), (2, 665346380), (4, 332673190), (5, 266138552), (8, 166336595), (10, 133069276), (20, 66534638), (40, 33267319), (131, 10157960), (262, 5078980), (524, 2539490), (655, 2031592), (1048, 1269745), (1310, 1015796), (2620, 507898), (5240, 253949)]