65778580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67121}}^1$

素因数の和:67144

約数の個数: 36

約数和(自身を含む): 160690068

約数和(自身を除く): 94911488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67121, 134242, 268484, 335605, 469847, 671210, 939694, 1342420, 1879388, 2349235, 3288929, 4698470, 6577858, 9396940, 13155716, 16444645, 32889290, 65778580]

約数ペア:

[(1, 65778580), (2, 32889290), (4, 16444645), (5, 13155716), (7, 9396940), (10, 6577858), (14, 4698470), (20, 3288929), (28, 2349235), (35, 1879388), (49, 1342420), (70, 939694), (98, 671210), (140, 469847), (196, 335605), (245, 268484), (490, 134242), (980, 67121)]