7988380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3049}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 16909200

約数和(自身を除く): 8920820

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 3049, 6098, 12196, 15245, 30490, 60980, 399419, 798838, 1597676, 1997095, 3994190, 7988380]

約数ペア:

[(1, 7988380), (2, 3994190), (4, 1997095), (5, 1597676), (10, 798838), (20, 399419), (131, 60980), (262, 30490), (524, 15245), (655, 12196), (1310, 6098), (2620, 3049)]