47985520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 125706240

約数和(自身を除く): 77720720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 1759, 2480, 2728, 3410, 3518, 5456, 6820, 7036, 8795, 13640, 14072, 17590, 19349, 27280, 28144, 35180, 38698, 54529, 70360, 77396, 96745, 109058, 140720, 154792, 193490, 218116, 272645, 309584, 386980, 436232, 545290, 599819, 773960, 872464, 1090580, 1199638, 1547920, 2181160, 2399276, 2999095, 4362320, 4798552, 5998190, 9597104, 11996380, 23992760, 47985520]

約数ペア:

[(1, 47985520), (2, 23992760), (4, 11996380), (5, 9597104), (8, 5998190), (10, 4798552), (11, 4362320), (16, 2999095), (20, 2399276), (22, 2181160), (31, 1547920), (40, 1199638), (44, 1090580), (55, 872464), (62, 773960), (80, 599819), (88, 545290), (110, 436232), (124, 386980), (155, 309584), (176, 272645), (220, 218116), (248, 193490), (310, 154792), (341, 140720), (440, 109058), (496, 96745), (620, 77396), (682, 70360), (880, 54529), (1240, 38698), (1364, 35180), (1705, 28144), (1759, 27280), (2480, 19349), (2728, 17590), (3410, 14072), (3518, 13640), (5456, 8795), (6820, 7036)]