55995560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 130772880

約数和(自身を除く): 74777320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 433, 488, 530, 610, 866, 1060, 1220, 1732, 2120, 2165, 2440, 3233, 3464, 4330, 6466, 8660, 12932, 16165, 17320, 22949, 25864, 26413, 32330, 45898, 52826, 64660, 91796, 105652, 114745, 129320, 132065, 183592, 211304, 229490, 264130, 458980, 528260, 917960, 1056520, 1399889, 2799778, 5599556, 6999445, 11199112, 13998890, 27997780, 55995560]

約数ペア:

[(1, 55995560), (2, 27997780), (4, 13998890), (5, 11199112), (8, 6999445), (10, 5599556), (20, 2799778), (40, 1399889), (53, 1056520), (61, 917960), (106, 528260), (122, 458980), (212, 264130), (244, 229490), (265, 211304), (305, 183592), (424, 132065), (433, 129320), (488, 114745), (530, 105652), (610, 91796), (866, 64660), (1060, 52826), (1220, 45898), (1732, 32330), (2120, 26413), (2165, 25864), (2440, 22949), (3233, 17320), (3464, 16165), (4330, 12932), (6466, 8660)]