1640774944

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 3533967360

約数和(自身を除く): 1893192416

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 263, 304, 331, 496, 526, 589, 608, 662, 992, 1052, 1178, 1324, 2104, 2356, 2648, 4208, 4712, 4997, 5296, 6289, 8153, 8416, 9424, 9994, 10261, 10592, 12578, 16306, 18848, 19988, 20522, 25156, 32612, 39976, 41044, 50312, 65224, 79952, 82088, 87053, 100624, 130448, 154907, 159904, 164176, 174106, 194959, 201248, 260896, 309814, 328352, 348212, 389918, 619628, 696424, 779836, 1239256, 1392848, 1559672, 1654007, 2478512, 2698643, 2785696, 3119344, 3308014, 4957024, 5397286, 6238688, 6616028, 10794572, 13232056, 21589144, 26464112, 43178288, 51274217, 52928224, 86356576, 102548434, 205096868, 410193736, 820387472, 1640774944]

約数ペア:

[(1, 1640774944), (2, 820387472), (4, 410193736), (8, 205096868), (16, 102548434), (19, 86356576), (31, 52928224), (32, 51274217), (38, 43178288), (62, 26464112), (76, 21589144), (124, 13232056), (152, 10794572), (248, 6616028), (263, 6238688), (304, 5397286), (331, 4957024), (496, 3308014), (526, 3119344), (589, 2785696), (608, 2698643), (662, 2478512), (992, 1654007), (1052, 1559672), (1178, 1392848), (1324, 1239256), (2104, 779836), (2356, 696424), (2648, 619628), (4208, 389918), (4712, 348212), (4997, 328352), (5296, 309814), (6289, 260896), (8153, 201248), (8416, 194959), (9424, 174106), (9994, 164176), (10261, 159904), (10592, 154907), (12578, 130448), (16306, 100624), (18848, 87053), (19988, 82088), (20522, 79952), (25156, 65224), (32612, 50312), (39976, 41044)]