20110974560

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1\times {\mathrm{1801}}^1$

素因数の和:2608

約数の個数: 96

約数和(自身を含む): 48078715104

約数和(自身を除く): 27967740544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 691, 808, 1010, 1382, 1616, 1801, 2020, 2764, 3232, 3455, 3602, 4040, 5528, 6910, 7204, 8080, 9005, 11056, 13820, 14408, 16160, 18010, 22112, 27640, 28816, 36020, 55280, 57632, 69791, 72040, 110560, 139582, 144080, 181901, 279164, 288160, 348955, 363802, 558328, 697910, 727604, 909505, 1116656, 1244491, 1395820, 1455208, 1819010, 2233312, 2488982, 2791640, 2910416, 3638020, 4977964, 5583280, 5820832, 6222455, 7276040, 9955928, 11166560, 12444910, 14552080, 19911856, 24889820, 29104160, 39823712, 49779640, 99559280, 125693591, 199118560, 251387182, 502774364, 628467955, 1005548728, 1256935910, 2011097456, 2513871820, 4022194912, 5027743640, 10055487280, 20110974560]

約数ペア:

[(1, 20110974560), (2, 10055487280), (4, 5027743640), (5, 4022194912), (8, 2513871820), (10, 2011097456), (16, 1256935910), (20, 1005548728), (32, 628467955), (40, 502774364), (80, 251387182), (101, 199118560), (160, 125693591), (202, 99559280), (404, 49779640), (505, 39823712), (691, 29104160), (808, 24889820), (1010, 19911856), (1382, 14552080), (1616, 12444910), (1801, 11166560), (2020, 9955928), (2764, 7276040), (3232, 6222455), (3455, 5820832), (3602, 5583280), (4040, 4977964), (5528, 3638020), (6910, 2910416), (7204, 2791640), (8080, 2488982), (9005, 2233312), (11056, 1819010), (13820, 1455208), (14408, 1395820), (16160, 1244491), (18010, 1116656), (22112, 909505), (27640, 727604), (28816, 697910), (36020, 558328), (55280, 363802), (57632, 348955), (69791, 288160), (72040, 279164), (110560, 181901), (139582, 144080)]