67712720

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1021}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 157776360

約数和(自身を除く): 90063640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1021, 1658, 2042, 3316, 4084, 4145, 5105, 6632, 8168, 8290, 10210, 13264, 16336, 16580, 20420, 33160, 40840, 66320, 81680, 846409, 1692818, 3385636, 4232045, 6771272, 8464090, 13542544, 16928180, 33856360, 67712720]

約数ペア:

[(1, 67712720), (2, 33856360), (4, 16928180), (5, 13542544), (8, 8464090), (10, 6771272), (16, 4232045), (20, 3385636), (40, 1692818), (80, 846409), (829, 81680), (1021, 66320), (1658, 40840), (2042, 33160), (3316, 20420), (4084, 16580), (4145, 16336), (5105, 13264), (6632, 10210), (8168, 8290)]