65993840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3990

約数の個数: 80

約数和(自身を含む): 176238720

約数和(自身を除く): 110244880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 3947, 4180, 7894, 8360, 15788, 16720, 19735, 31576, 39470, 43417, 63152, 74993, 78940, 86834, 149986, 157880, 173668, 217085, 299972, 315760, 347336, 374965, 434170, 599944, 694672, 749930, 824923, 868340, 1199888, 1499860, 1649846, 1736680, 2999720, 3299692, 3473360, 4124615, 5999440, 6599384, 8249230, 13198768, 16498460, 32996920, 65993840]

約数ペア:

[(1, 65993840), (2, 32996920), (4, 16498460), (5, 13198768), (8, 8249230), (10, 6599384), (11, 5999440), (16, 4124615), (19, 3473360), (20, 3299692), (22, 2999720), (38, 1736680), (40, 1649846), (44, 1499860), (55, 1199888), (76, 868340), (80, 824923), (88, 749930), (95, 694672), (110, 599944), (152, 434170), (176, 374965), (190, 347336), (209, 315760), (220, 299972), (304, 217085), (380, 173668), (418, 157880), (440, 149986), (760, 86834), (836, 78940), (880, 74993), (1045, 63152), (1520, 43417), (1672, 39470), (2090, 31576), (3344, 19735), (3947, 16720), (4180, 15788), (7894, 8360)]