65280340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 146667024

約数和(自身を除く): 81386684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 1901, 2020, 3434, 3802, 6868, 7604, 8585, 9505, 17170, 19010, 32317, 34340, 38020, 64634, 129268, 161585, 192001, 323170, 384002, 646340, 768004, 960005, 1920010, 3264017, 3840020, 6528034, 13056068, 16320085, 32640170, 65280340]

約数ペア:

[(1, 65280340), (2, 32640170), (4, 16320085), (5, 13056068), (10, 6528034), (17, 3840020), (20, 3264017), (34, 1920010), (68, 960005), (85, 768004), (101, 646340), (170, 384002), (202, 323170), (340, 192001), (404, 161585), (505, 129268), (1010, 64634), (1717, 38020), (1901, 34340), (2020, 32317), (3434, 19010), (3802, 17170), (6868, 9505), (7604, 8585)]