65719640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{234713}}^1$

素因数の和:234731

約数の個数: 32

約数和(自身を含む): 168994080

約数和(自身を除く): 103274440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 234713, 469426, 938852, 1173565, 1642991, 1877704, 2347130, 3285982, 4694260, 6571964, 8214955, 9388520, 13143928, 16429910, 32859820, 65719640]

約数ペア:

[(1, 65719640), (2, 32859820), (4, 16429910), (5, 13143928), (7, 9388520), (8, 8214955), (10, 6571964), (14, 4694260), (20, 3285982), (28, 2347130), (35, 1877704), (40, 1642991), (56, 1173565), (70, 938852), (140, 469426), (280, 234713)]