66589640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3522

約数の個数: 64

約数和(自身を含む): 165760560

約数和(自身を除く): 99170920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3461, 3848, 4810, 6922, 9620, 13844, 17305, 19240, 27688, 34610, 44993, 69220, 89986, 128057, 138440, 179972, 224965, 256114, 359944, 449930, 512228, 640285, 899860, 1024456, 1280570, 1664741, 1799720, 2561140, 3329482, 5122280, 6658964, 8323705, 13317928, 16647410, 33294820, 66589640]

約数ペア:

[(1, 66589640), (2, 33294820), (4, 16647410), (5, 13317928), (8, 8323705), (10, 6658964), (13, 5122280), (20, 3329482), (26, 2561140), (37, 1799720), (40, 1664741), (52, 1280570), (65, 1024456), (74, 899860), (104, 640285), (130, 512228), (148, 449930), (185, 359944), (260, 256114), (296, 224965), (370, 179972), (481, 138440), (520, 128057), (740, 89986), (962, 69220), (1480, 44993), (1924, 34610), (2405, 27688), (3461, 19240), (3848, 17305), (4810, 13844), (6922, 9620)]