71033140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 158642064

約数和(自身を除く): 87608924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 401, 521, 802, 1042, 1604, 2005, 2084, 2605, 4010, 5210, 6817, 8020, 8857, 10420, 13634, 17714, 27268, 34085, 35428, 44285, 68170, 88570, 136340, 177140, 208921, 417842, 835684, 1044605, 2089210, 3551657, 4178420, 7103314, 14206628, 17758285, 35516570, 71033140]

約数ペア:

[(1, 71033140), (2, 35516570), (4, 17758285), (5, 14206628), (10, 7103314), (17, 4178420), (20, 3551657), (34, 2089210), (68, 1044605), (85, 835684), (170, 417842), (340, 208921), (401, 177140), (521, 136340), (802, 88570), (1042, 68170), (1604, 44285), (2005, 35428), (2084, 34085), (2605, 27268), (4010, 17714), (5210, 13634), (6817, 10420), (8020, 8857)]