49319440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 122670720

約数和(自身を除く): 73351280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 457, 568, 710, 760, 914, 1136, 1349, 1420, 1520, 1828, 2285, 2698, 2840, 3656, 4570, 5396, 5680, 6745, 7312, 8683, 9140, 10792, 13490, 17366, 18280, 21584, 26980, 32447, 34732, 36560, 43415, 53960, 64894, 69464, 86830, 107920, 129788, 138928, 162235, 173660, 259576, 324470, 347320, 519152, 616493, 648940, 694640, 1232986, 1297880, 2465972, 2595760, 3082465, 4931944, 6164930, 9863888, 12329860, 24659720, 49319440]

約数ペア:

[(1, 49319440), (2, 24659720), (4, 12329860), (5, 9863888), (8, 6164930), (10, 4931944), (16, 3082465), (19, 2595760), (20, 2465972), (38, 1297880), (40, 1232986), (71, 694640), (76, 648940), (80, 616493), (95, 519152), (142, 347320), (152, 324470), (190, 259576), (284, 173660), (304, 162235), (355, 138928), (380, 129788), (457, 107920), (568, 86830), (710, 69464), (760, 64894), (914, 53960), (1136, 43415), (1349, 36560), (1420, 34732), (1520, 32447), (1828, 26980), (2285, 21584), (2698, 18280), (2840, 17366), (3656, 13490), (4570, 10792), (5396, 9140), (5680, 8683), (6745, 7312)]