49404080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1866

約数の個数: 80

約数和(自身を含む): 129420288

約数和(自身を除く): 80016208

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, 1811, 2480, 2728, 3410, 3622, 5456, 6820, 7244, 9055, 13640, 14488, 18110, 19921, 27280, 28976, 36220, 39842, 56141, 72440, 79684, 99605, 112282, 144880, 159368, 199210, 224564, 280705, 318736, 398420, 449128, 561410, 617551, 796840, 898256, 1122820, 1235102, 1593680, 2245640, 2470204, 3087755, 4491280, 4940408, 6175510, 9880816, 12351020, 24702040, 49404080]

約数ペア:

[(1, 49404080), (2, 24702040), (4, 12351020), (5, 9880816), (8, 6175510), (10, 4940408), (11, 4491280), (16, 3087755), (20, 2470204), (22, 2245640), (31, 1593680), (40, 1235102), (44, 1122820), (55, 898256), (62, 796840), (80, 617551), (88, 561410), (110, 449128), (124, 398420), (155, 318736), (176, 280705), (220, 224564), (248, 199210), (310, 159368), (341, 144880), (440, 112282), (496, 99605), (620, 79684), (682, 72440), (880, 56141), (1240, 39842), (1364, 36220), (1705, 28976), (1811, 27280), (2480, 19921), (2728, 18110), (3410, 14488), (3622, 13640), (5456, 9055), (6820, 7244)]