66429320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87407}}^1$

素因数の和:87437

約数の個数: 32

約数和(自身を含む): 157334400

約数和(自身を除く): 90905080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87407, 174814, 349628, 437035, 699256, 874070, 1660733, 1748140, 3321466, 3496280, 6642932, 8303665, 13285864, 16607330, 33214660, 66429320]

約数ペア:

[(1, 66429320), (2, 33214660), (4, 16607330), (5, 13285864), (8, 8303665), (10, 6642932), (19, 3496280), (20, 3321466), (38, 1748140), (40, 1660733), (76, 874070), (95, 699256), (152, 437035), (190, 349628), (380, 174814), (760, 87407)]