55277720

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1667}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 124599600

約数和(自身を除く): 69321880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 1667, 3316, 3334, 4145, 6632, 6668, 8290, 8335, 13336, 16580, 16670, 33160, 33340, 66680, 1381943, 2763886, 5527772, 6909715, 11055544, 13819430, 27638860, 55277720]

約数ペア:

[(1, 55277720), (2, 27638860), (4, 13819430), (5, 11055544), (8, 6909715), (10, 5527772), (20, 2763886), (40, 1381943), (829, 66680), (1658, 33340), (1667, 33160), (3316, 16670), (3334, 16580), (4145, 13336), (6632, 8335), (6668, 8290)]