61968380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 135561216

約数和(自身を除く): 73592836

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 787, 1270, 1574, 2540, 3148, 3935, 3937, 7870, 7874, 15740, 15748, 19685, 24397, 39370, 48794, 78740, 97588, 99949, 121985, 199898, 243970, 399796, 487940, 499745, 999490, 1998980, 3098419, 6196838, 12393676, 15492095, 30984190, 61968380]

約数ペア:

[(1, 61968380), (2, 30984190), (4, 15492095), (5, 12393676), (10, 6196838), (20, 3098419), (31, 1998980), (62, 999490), (124, 499745), (127, 487940), (155, 399796), (254, 243970), (310, 199898), (508, 121985), (620, 99949), (635, 97588), (787, 78740), (1270, 48794), (1574, 39370), (2540, 24397), (3148, 19685), (3935, 15748), (3937, 15740), (7870, 7874)]