5200520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 12867120

約数和(自身を除く): 7666600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 137, 146, 260, 274, 292, 365, 520, 548, 584, 685, 730, 949, 1096, 1370, 1460, 1781, 1898, 2740, 2920, 3562, 3796, 4745, 5480, 7124, 7592, 8905, 9490, 10001, 14248, 17810, 18980, 20002, 35620, 37960, 40004, 50005, 71240, 80008, 100010, 130013, 200020, 260026, 400040, 520052, 650065, 1040104, 1300130, 2600260, 5200520]

約数ペア:

[(1, 5200520), (2, 2600260), (4, 1300130), (5, 1040104), (8, 650065), (10, 520052), (13, 400040), (20, 260026), (26, 200020), (40, 130013), (52, 100010), (65, 80008), (73, 71240), (104, 50005), (130, 40004), (137, 37960), (146, 35620), (260, 20002), (274, 18980), (292, 17810), (365, 14248), (520, 10001), (548, 9490), (584, 8905), (685, 7592), (730, 7124), (949, 5480), (1096, 4745), (1370, 3796), (1460, 3562), (1781, 2920), (1898, 2740)]