2601520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 6249600

約数和(自身を除く): 3648080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1049, 1240, 2098, 2480, 4196, 5245, 8392, 10490, 16784, 20980, 32519, 41960, 65038, 83920, 130076, 162595, 260152, 325190, 520304, 650380, 1300760, 2601520]

約数ペア:

[(1, 2601520), (2, 1300760), (4, 650380), (5, 520304), (8, 325190), (10, 260152), (16, 162595), (20, 130076), (31, 83920), (40, 65038), (62, 41960), (80, 32519), (124, 20980), (155, 16784), (248, 10490), (310, 8392), (496, 5245), (620, 4196), (1049, 2480), (1240, 2098)]